When you buy this book you get an electronic version (PDF file) of the interior of this book. King-Sized Kakuro Deluxe bundles the biggest and baddest Kakuro pu

When you buy this book you get an electronic version (PDF file) of the interior of this book. Kakuro is a fun way for kids and adults to practice addition facts

Game designers today are expected to have an arsenal of multi-disciplinary skills at their disposal in the fields of art and design, computer programming, psych

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 large, blank Sudoku 16x16 grids for you to

Co-written by the cube's inventor, this book serves as a comprehensive guide to the Rubik's cube. It opens up a wealth of fascinating mathematics and offers a v