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  • November 2025

  • Tue 11
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    November 11 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

  • Wed 12
    Old-fashioned website screen capture with a repeated picture of a cloud in the background: Welcome To The *Making Your First Website* Workshop Learn HTML and create a home page on Neocities! Total beginners welcome! Iffy Books / Ragman WARNING: this page is under construction
    November 12 @ 6:00 pm - 8:00 pm 💻 Make Your First Website

    🚧 Make Your First Website

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a home page like it's 1999! Join us at Iffy Books for a new workshop called Make Your First Website, led by Ragman a.k.a. Richard Green. You'll learn the […]

  • Thu 13
    Book cover for 'The Whale and the Reactor A Search for Limits in an Age of High Technology' by Langdon Winner, with yellow line illustrations on a red background: leaky oil drum, wind turbine, internal combustion engine, CFL light bulb, amoeba, oil pump, oil well, missile launcher, solar panel, gas mask
    November 13 @ 6:30 pm - 8:30 pm ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group

    Iffy Books 404 S. 20th St., Philadelphia, United States

    ➡️ Virtual Meetup Link “In an age in which the inexhaustible power of scientific technology makes all things possible, it remains to be seen where we will draw the line, […]

  • Fri 14
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    November 14 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register:  

  • Sat 15
    An artist's rendering of a black hole, with a large patch of bright white light on the right side and a dimmer area of light on the left.
    November 15 @ 11:00 am - 12:00 pm

    ❌ Home Ad Blocking with Pi-hole

    Iffy Books 404 S. 20th St., Philadelphia, United States

    On Saturday, November 15th at 11:00 a.m. we're hosting a presentation on network-wide ad blocking with Pi-hole and AdGuard Home led by Dave Slinger. No registration needed for this one! […]

  • Sun 16
    The Meshtastic logo, with the word "Meshtastic" in black
    November 16 @ 10:30 am - 12:00 pm 📡 Meshtastic 101

    📡 Meshtastic 101

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us for an introduction to Meshtastic, an application that lets you send private text messages over the air using pocket-sized LoRa radio transceivers. We’ll show you how to flash the […]

  • Wed 19
    Book cover for 'Triple Cross: How bin Laden’s Master Spy Penetrated the CIA, the Green Berets, and the FBI' by Peter Lance, with distressed-looking all-caps text framing a high-contrast mugshot
    November 19 @ 7:00 pm - 8:30 pm 👁️ Intelligence History Reading Group: ‘Agents of Subversion’ by

    👁️ Intelligence History Reading Group: ‘Triple Cross’ by Peter Lance

    Iffy Books 404 S. 20th St., Philadelphia, United States

    This is the story of the most dangerous triple-agent in US history. Peter Lance, author of the highly acclaimed "1000 Years for Revenge and Cover Up", returns to uncover the […]

  • Fri 21
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    November 21 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register:  

  • Sat 22
    Logo for the Python programming language, with interlocking blue and yellow snakes
    November 22 @ 10:30 am - 11:30 am 🐍 Python Install Session

    🐍 Python Install Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    If you haven't already installed Python on your computer, join us for an installation session!

  • Sat 22
    Flyer with a photo of a tiny mp3 player, a sparkle emoji, and the following text: Python Script-Along: Download Podcasts to an MP3 Player!
    November 22 @ 11:30 am - 12:30 pm 🐍 Python Script-Along: Download Podcasts to an MP3 Player

    🐍 Python Script-Along: Download Podcasts to an MP3 Player

    Iffy Books 404 S. 20th St., Philadelphia, United States

    One of the reasons it's hard to leave home without a cell phone is that it's nice to listen to podcasts while you're walking around. In this workshop you'll learn […]

  • Sun 23
    Logo for the Python programming language, with interlocking blue and yellow snakes
    November 23 @ 10:30 am - 11:30 am 🐍 Python Install Session

    🐍 Python Install Session

    Iffy Books 404 S. 20th St., Philadelphia, United States

    If you haven't already installed Python on your computer, join us for an installation session!

  • Sun 23
    Flyer with a photo of a tiny mp3 player, a sparkle emoji, and the following text: Python Script-Along: Download Podcasts to an MP3 Player!
    November 23 @ 11:30 am - 12:30 pm 🐍 Python Script-Along: Download Podcasts to an MP3 Player

    🐍 Python Script-Along: Download Podcasts to an MP3 Player

    Iffy Books 404 S. 20th St., Philadelphia, United States

    One of the reasons it's hard to leave home without a cell phone is that it's nice to listen to podcasts while you're walking around. In this workshop you'll learn […]

  • Wed 26
    Old-fashioned website screen capture with a repeated picture of a cloud in the background: Welcome To The *Making Your First Website* Workshop Learn HTML and create a home page on Neocities! Total beginners welcome! Iffy Books / Ragman WARNING: this page is under construction
    November 26 @ 6:00 pm - 8:00 pm 💻 Make Your First Website

    🚧 Make Your First Website

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a home page like it's 1999! Join us at Iffy Books for a new workshop called Make Your First Website, led by Ragman a.k.a. Richard Green. You'll learn the […]

  • Thu 27
    Cartoon image of a smiling tofu cube with red cheeks and green onion on its head Credit to Vecteezy (vecteezy.com)
    November 27

    🍴 Closed November 27th

    Iffy Books 404 S. 20th St., Philadelphia, United States

    We'll be closed on Thursday, November 27th. But we'll be here on Friday!

  • Sat 29
    Flyer with 6 LED lights attached to a Pi Pico development board, with the following text: Pico LED Hourglass Workshop ⌛ Iffy Books A programmable timer for writing, cooking, games, etc.!
    November 29 @ 10:30 am - 12:30 pm ⏳ Pico LED Hourglass Workshop

    ⏳ Pico LED Hourglass Workshop

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Learn to make a programmable game timer and dice with a Pi Pico microcontroller! First you’ll solder six LEDs, two switches, and a vibration motor to the board’s GPIO pins. […]

  • Sun 30
    A one-time pad encoder/decoder sheet, with two 36x36 grids of letters and numbers, with the following text at the bottom right: There's no space character, so we'll use 0 (zero) instead. When digits appear in your cleartext message, skip the surrounding Os that would normally indicate spaces. Examples: MEETOATOPARK7PM CALLOCASEY2156823032 Pad the end of your message with Os to obscure the length. If your message ends with a digit, you can pad the beginning instead to avoid ambiguity. ALLOCLEAROFORONOW000 (padded to 20 characters)
    November 30 @ 10:30 am - 11:30 am 🗒️ One-Time Pad Encryption Workshop

    📝 One-Time Pad Encryption Workshop

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Join us for a workshop on one-time pad encryption! We'll walk you through a technique for sending truly private messages without a computer, using 6-sided dice to generate random numbers. […]

  • Sun 30
    A king penguin head. Photo taken at Edinburgh Zoo, Scotland.
    November 30 @ 11:30 am - 12:30 pm 🐧 Linux Lab

    🐧 E-Z Command-Line Encryption with OpenSSL

    Iffy Books 404 S. 20th St., Philadelphia, United States

    At this workshop you'll learn to create passphrase-protected files using OpenSSL, a command-line program that's probably already installed on your computer. With this technique you can send encrypted files via […]

  • December 2025

  • Tue 2
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    December 2 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

  • Wed 3
    The cover of 'Planetes Book 1' by Makoto Yukimura, with an illustration of a circular porthole in a spaceship with the Earth below filling the view
    December 3 @ 7:00 pm - 8:30 pm 🪐 Speculative Futures Reading Group

    🪐 Speculative Futures Reading Group: ‘Planetes Book 1’ by Makoto Yukimura

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Speculative Futures Reading Group meets on the last Wednesday of every month at 7 p.m.! This month we're discussing Planetes Book 1 by Makoto Yukimura. (Illustrated by Makoto Yukimura, […]

  • Thu 4
    Flyer with an icon of a laptop and the following text in pink outlined with green: FAFIO meetup fuck around and figure it out!
    December 4 @ 6:30 pm - 8:30 pm 🤔 FAFIO Meetup

    🤔 FAFIO Meetup: Terminal Beginner Night

    Iffy Books 404 S. 20th St., Philadelphia, United States

    FAFIO is a new meetup for folks who want to learn new tech skills but aren't sure where to start. Let's fuck around and figure it out! This month we'll […]

  • Fri 5
    Picture of Benjamin Franklin wearing sunglasses in green on a black background. Parts of his face and clothes look like a circuit board. At the bottom it says "B-Sides Philadelphia"
    December 5 @ 11:00 am - 5:00 pm

    🎲 B-Sides Philly

    Iffy Books 404 S. 20th St., Philadelphia, United States

    See y'all at B-Sides!

  • Fri 5
    The words "Philly 2600" in an old-school digital font
    December 5 @ 6:00 pm - 8:00 pm 💻 Philly 2600 Meetup

    💻 Philly 2600 Meetup

    Iffy Books 404 S. 20th St., Philadelphia, United States

    > The Philly 2600 meeting is a monthly gathering of local hackers, phreaks, nerds, geeks, activists, tinkerers, developers, infosec professionals, and other interesting people.

  • Sat 6
    Image with the following words in different fonts, colors, and angles: Make a hand-coded *holiday* SVG e-card
    December 6 @ 10:30 am - 12:00 pm 🎊 Make a Hand-Coded SVG Holiday E-Card

    🎊 Make a Hand-Coded SVG Holiday E-Card

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Learn to make an animated SVG file using a plaintext editor and web browser. No fancy tools needed! Geany text editor Register

  • Sun 7
    Image with the following words in different fonts, colors, and angles: Make a hand-coded *holiday* SVG e-card
    December 7 @ 10:30 am - 12:00 pm 🎊 Make a Hand-Coded SVG Holiday E-Card

    🎊 Make a Hand-Coded SVG Holiday E-Card

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Learn to make an animated SVG file using a plaintext editor and web browser. No fancy tools needed! Geany text editor Register

  • Sun 7
    '80s style pink glowing text reading "Homebrew Website Club" with a purple triangle and rainbow and grid receding into the background
    December 7 @ 6:00 pm - 8:00 pm 🏠 IndieWeb Homebrew Website Club

    🏠 IndieWeb Homebrew Website Club

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Homebrew Website Club is a growing world-wide network of meetups for everyone who wants to take back their web experience from social media silos, and own their online identities & […]

  • Tue 9
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    December 9 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

  • Wed 10
    Old-fashioned website screen capture with a repeated picture of a cloud in the background: Welcome To The *Making Your First Website* Workshop Learn HTML and create a home page on Neocities! Total beginners welcome! Iffy Books / Ragman WARNING: this page is under construction
    December 10 @ 6:00 pm - 8:00 pm 💻 Make Your First Website

    🚧 Make Your First Website

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Make a home page like it's 1999! Join us at Iffy Books for a new workshop called Make Your First Website, led by Ragman a.k.a. Richard Green. You'll learn the […]

  • Thu 11
    Image with the following words in different fonts, colors, and angles: Make a hand-coded *holiday* SVG e-card
    December 11 @ 2:00 pm - 3:30 pm 🎊 Make a Hand-Coded SVG Holiday E-Card

    🎊 Make a Hand-Coded SVG Holiday E-Card

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Learn to make an animated SVG file using a plaintext editor and web browser. No fancy tools needed! Geany text editor Sublime Text Register

  • Thu 11
    The cover of a recent edition of 'Technics and Civilization' by Lewis Mumford, with blue and yellow overlapping circles superimposed on a photo from the '30s(?) of a train with a giant propeller on the front, with two people standing nearby
    December 11 @ 6:30 pm - 8:30 pm ⚙️ Neo-Luddite Reading Group

    ⚙️ Neo-Luddite Reading Group: ‘Technics and Civilization’ by Lewis Mumford

    Iffy Books 404 S. 20th St., Philadelphia, United States

    ➡️ Virtual Meetup Link Discord: Email neoluddite@victorgom.es for an invite! Full schedule: victorgom.es/neoluddite If you're joining for the first time, I'd suggest you read this before anything else for brief […]

  • Fri 12
    Animated GIF of a small circuit board with two blinking LED lights, two transistors, two capacitors, and four resistors
    December 12 @ 1:00 pm - 2:00 pm ⚡️ Beginner Soldering: Flashing LED Circuit

    ⚡️ Beginner Soldering: Flashing LED Circuit

    Iffy Books 404 S. 20th St., Philadelphia, United States

    In this workshop you'll learn the basics of soldering by building a tiny oscillator circuit with two transistors and two LED lights. No previous experience needed! Register:  

  • Sat 13
    A drawing of two smiling turtles facing each other, with a wi-fi symbol over their heads. One is wearing a cowboy hat and the other is wearing a little bowler. Both turtles have computers on their backs. The text "Model Internet Club" is at the bottom in a typewriter font.
    December 13 @ 10:30 am - 12:30 pm 🚂 Model Internet Club

    🚂 Model Internet Club

    Iffy Books 404 S. 20th St., Philadelphia, United States

    The Model Internet Club is back! Join us every second Saturday from 10:30 a.m. to 12:30 p.m. for an informal meetup focused on building small-scale computer networks. No registration needed […]

  • Sun 14
    Closeup photo of a zine with the title "Draw with code! An intro to turtle graphics using Python." There's a turtle icon on the middle of the cover with a zig-zagging line coming out of its tail, and several lines of code on the left, such as "left(90)" and "forward(10)." Text on the right says "free zine!" The Iffy Books logo and address (319 N. 11th St. 2I, PHL) are at the bottom right corner.
    December 14 @ 10:30 am - 1:30 pm Private: 🐢 Draw with code! An intro to turtle graphics using Python

    🐢 Draw with code! An intro to turtle graphics using Python

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Drop in any time from 10:30 a.m. to 1:30 p.m. and learn to draw cool geometric pictures using Python! It's just like Logo, the turtle drawing program that introduced a […]

  • Tue 16
    Flyer with a green background and the following text: The Writing Room @ Iffy Books / Every Tuesday 5-7:30 PM / Come co-work with other writers in three 4-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer chargers, notepads, etc.
    December 16 @ 5:00 pm - 7:30 pm ✏️ The Writing Room

    ✏️ The Writing Room

    Iffy Books 404 S. 20th St., Philadelphia, United States

    Come co-work with other writers in three 40-minute units of silent writing. Writers and projects of any type welcome. 10-minute breaks and accountability check-ins between units. BYO coffee, water, computer […]

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