Practice
Practice decks on the site
Chapter flashcards for Coding Adventures and your own Anki imports — study with spaced repetition.
Shop
Decks, courses, books, and bundles. Checkout on each product page; after purchase you get Practice access, reading, and downloads where applicable.
Decks
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- Practice
From $5.00
- Practice
From $15.00
Courses
Buying a course deck requires signing in; payment is on the course page.
- Courses
Practice course: loop basics
Spaced-repetition deck; unlocks after purchase.
From $12.99
Books
- Digital version
Coding Adventures
For ages 8–14; digital access and chapter Practice on the site.
From $19.99
- Digital version
Future of Programming…
Digital book for developers reflecting on the craft and industry.
From $14.99
Bundles
- Bundle
Both books — digital
One purchase: full on-site reading and file downloads for both titles.
From $32.99
Merch
- Soon
HiddenLogic apparel
Designer clothing and accessories with the project’s visual identity.
Soon