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The words "Philly 2600" in an old-school digital font
💻 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.

The Meshtastic logo, with the word "Meshtastic" in black
📡 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 […]

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.
✏️ 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 […]

Painting of workers and enormous machines in a Detroit auto plant, painted by Diego Rivera
📚 Capital Reading Group

📚 Capital Reading Group

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

Join us for a discussion on Marx's Capital by. We'll post the sections we're covering before each meeting. We're reading Paul Reitter's recent translation (Princeton University Press, 2024).

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.
🚂 Model Internet Club

🚂 Model Internet Club

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

The Model Internet Club is back! Join us every third 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 […]

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.
✏️ 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 […]

Flyer with the Iffy Books Logo, an Ethernet port, an antenna icon, a USB logo, a VGA port, a pile of books, the SCSI icon, a cassette tape, an audio waveform, and the following text: Yard Sale Day Sat, August 16th 10 AM – 5:30 PM 404 S. 20th St., PHL

🪧 Yard Sale Day

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

On Saturday, August 16th we'll be selling some of the computers, network switches, cables, and random odds and ends that have accumulated in our basement. You may want to show […]

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.
✏️ 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 […]

Photo of a printing block with an image of a bird/flame shape next to two test prints with black ink

🖼️ B̶l̶o̶c̶k̶ ̶P̶r̶i̶n̶t̶i̶n̶g̶ ̶W̶o̶r̶k̶s̶h̶o̶p̶ (postponed)

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

This workshop is postponed 'til September. Stay tuned for the new date! We apologize for the inconvenience. ̶J̶o̶i̶n̶ ̶u̶s̶ ̶o̶n̶ ̶T̶h̶u̶r̶s̶d̶a̶y̶,̶ ̶A̶u̶g̶u̶s̶t̶ ̶2̶1̶s̶t̶ ̶a̶n̶d̶ ̶l̶e̶a̶r̶n̶ ̶t̶h̶e̶ ̶b̶a̶s̶i̶c̶s̶ ̶o̶f̶ ̶b̶l̶o̶c̶k̶ ̶p̶r̶i̶n̶t̶i̶n̶g̶!̶ […]

Photo of bookshelves with the following text overlaid: Saturday, August 23rd, 2025 The Philly Bookstore Crawl

🐌 Philly Bookstore Crawl

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

The third annual Philly Bookstore Crawl is on Saturday, August 23rd. Can't wait to see y'all!

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.
✏️ 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 […]

The Meshtastic logo, with the word "Meshtastic" in black
📡 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 […]

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.
✏️ 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 […]

Painting of workers and enormous machines in a Detroit auto plant, painted by Diego Rivera
📚 Capital Reading Group

📚 Capital Reading Group

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

Join us for a discussion on Marx's Capital by. We'll post the sections we're covering before each meeting. We're reading Paul Reitter's recent translation (Princeton University Press, 2024).

The words "Philly 2600" in an old-school digital font
💻 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.

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.
✏️ 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 […]