// FREE SAMPLE

Read the first four weeks. Free.

No login. No email. No card. Just the actual content — Sequencing, Loops, Conditionals, and Variables — exactly as it appears in the book.

What you can do without paying

  • Drag-and-drop the scramble puzzles in Weeks 1–4.
  • Toggle Boolean cells, draw with a finger, type into all the slots.
  • Print any week directly from the browser.

What's behind the paywall

  • Weeks 5–12 (Functions, Debugging, Algorithms, Abstraction, Boolean Logic, Patterns, Decomposition, Capstone).
  • Save-progress & cross-device sync (coming after launch).

See pricing