The Kids’ Book of Sudoku 2

Includes over 150 more puzzles - ranging in difficulty from the satisfyingly simple, to get puzzlers started (and addicted), to the more challenging, for scorchin' suduko-ers. A simple tutorial explains the way to do the puzzles, and reveals invaluable tips and tricks. To make sure no one gets too sudoku-razy, all the answers are in the back of the book.