With more than 120 fun puzzles you'll never want to put this book down!
From number towers to sum finders, sudoku to code breakers, there are so many different math puzzles in this book you'll never get bored.
The puzzles get harder as you progress through the book - can you get to the end?
Other books in this series....
Brain Games For Big Thinkers (9780008503376)
Word Games for Big Thinkers (9780008503406)