This whimsically illustrated edition features 48 brand-new puzzles for players from the ages of 8 to 13, but anyone can enjoy them. Simply fill in the squares with the digits 1 through 9 in such a way that each digit appears in each column, row, and large square only once. Solutions included. Dover Original.
Here's a sample of other books in this Dover category
Extreme Sudoku by John Pazzelli Designed by a sudoku master for highly advanced enthusiasts, these 101 puzzles will challenge even the most skilled experts. Solutions appear at the end of the book.
Puzzling Number Mazes by Lee Daniel Quinn Forty-eight computer-generated labyrinths, with numbers as themes, confound maze travelers with special restrictions, one-way and over-and-under paths, and much more. Captions and solutions.
Crosswords by Penny Press, Inc. 48 puzzles cover wide range of subjects — from celebrities and TV to domestic items and common expressions. Solutions included.
Perplexing Puzzles and Tantalizing Teasers by Martin Gardner Ninety-three riddles, mazes, illusions, tricky questions, word and picture puzzles, and other entertainments for youngsters. Hilarious drawings. Solutions.
Kids' Kakuro by John Pazzelli, Diana Zourelias Also known as "cross sums," this Japanese puzzle sensation is as popular as sudoku. Designed especially for kids, these 48 kakuro puzzles feature whimsical illustrations. Solutions included.