Books

Almost 300 other mathematical puzzles appear in this original collection, devised by world-renowned mathematicians, puzzle creators, and devoted puzzle lovers.

Using a unique teaching tool designed to motivate kids to learn, this book visually explores the concepts of factoring and the role of prime and composite numbers.

Hardcover | 248 pages

Hardcover | 320 pages

Hardcover | 480 pages

Goodnight, Numbers

Hey, buster! Crack open this new series starring Ruby Redfort — Clarice Bean's favorite all-action heroine — and you will literally be on the edge of your wits.

How do you catch a thief who isn’t there? Ruby discovers the perils of throwing caution to the wind as she embarks on her fourth adventure.

Crack open Ruby Redfort’s second adventure — and you will literally be on the edge of your wits.

Hardcover | 256 pages

More Without Words, by James Tanton

Without Words, by James Tanton