9781728257150

A nice touch in this activity book is the tips for solving each puzzle type.

With this activity book, you can relax and focus on one puzzle at a time.

This manual is illustrated with exploded views of the machinery.

You will appreciate the illustrated reference section in the back.

The illustrated margins make this a great book for slow reading.

This activity book includes a code-breaking section for secret messages.

This novel is a study in restraint, saying much with very little.