A missing mentor.
A trail written in code.

Follow Dustin and Christine into the mystery.

When Tony goes missing, ordinary clues become a reason to ask better questions. Follow the story through Queens, experiment with Python and learn how programs make decisions.

Written for complete beginners aged 12 and up. The companion brings the coding activities to life with runnable examples, progressive hints and games you can change.

The print and ebook editions are being prepared for publication. Purchase links will appear here when available.