Stop by this week (Thursday–Sunday, 12–6 p.m.) and learn to create a one-time pad cipher without using a computer. All you’ll need is paper, a pencil, and a 10-sided die. […]
Strong encryption with a 10-sided die 🎲 Dec 30 – Jan 2

Iffy Books | 404 S. 20th St., PHL
hacking, free culture, gardening, zines
Stop by this week (Thursday–Sunday, 12–6 p.m.) and learn to create a one-time pad cipher without using a computer. All you’ll need is paper, a pencil, and a 10-sided die. […]
Here are our holiday hours! We’ll be open Thursday (12/23) from 10AM to 6PM and Friday (12/24) from 10AM to 4PM. We’re closed on Saturday (12/25), then back to normal […]
This week we’re running a tutorial on how to darn your clothes! Bring a garment with a small tear or worn spot, and we’ll help you repair it with a […]
Stop by this week (Thursday–Sunday, 12–6 p.m.) and learn how to program a mouse jiggler or keyboard simulator using a Digispark clone. > Zine PDF (screen reading version) > Zine […]
Starting December 2, we’ll be open four days a week. Our new hours are Thursday through Sunday, 12 to 6 p.m. Hope to see you soon! Iffy Books319 N. 11th […]
Stop by this weekend (Friday 5–9 & Saturday 12–6) and get a free pack of luffa squash seeds! Luffa squash (also spelled “loofah”) can be peeled, cleaned, and dried to […]
This weekend we’re running a tutorial on making noise with a Raspberry Pi Pico and MicroPython. Stop by any time on Friday, November 19 (5–9 p.m.) or Saturday, November 20 […]
On November 5 & 6 we’ll host a tutorial on how to share files using BitTorrent, an alternative to cloud storage options like DropBox. Here’s a link to the zine […]
Stop by this weekend for a tutorial on Scribus, a free desktop publishing program for Linux, macOS, and Windows. You’ll learn to install Scribus, download fonts and images, and design […]
We’re hosting a tutorial on Ubuntu! Here’s a link to the zine PDF: > Is Ubuntu for me? Part 1 (PDF)