Are you ready to tackle the BIGGEST collection of Sudoku puzzles ever? Well if you want to experience nearly 1,400 Sudoku puzzles in one incredible edition, you have come to the right place! Here you’ll discover two best selling books combined together in one amazing collection. Hundreds of pages await that will test and delight Sudoku addicts everywhere. Puzzles range from easy to difficult. Want more? How about nearly 200 challenger puzzles that will really test the sanity of any Sudoku fanatic. These numerical brain teasers will be impossible to put down. Open this book to any page and prepared to think hard while having hours and hours of fun!