Kristine Knowlton

With this activity book, you can challenge a friend and see who finishes first.

With this activity book, you’ll find plenty of puzzles to keep you busy for hours.

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

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

A nice touch in this activity book is the peel-and-stick reward badges.

This activity book includes spot-the-difference games that sharpen your focus.

A nice touch is the stickers that mark your progress in this activity book.

What stands out about this activity book is the durability of the cover.

A nice touch in this activity book is the bonus content accessible online.

With this activity book, you can test your observation skills with odd-one-out puzzles.