Become a master in solving Numbricks 15x15. After solving all the puzzles in this book, you will be a Numbricks Pro. You start with easy Numbricks 15x15 puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult Numbricks puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Numbricks 15x15 - Easy to Hard is a collection of 276 puzzles: The goal of Numbricks is to fill in the missing numbers, in sequential order, going horizontally and vertically only. Diagonal paths are not allowed. I guarantee that every logic puzzle in this Numbricks puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books.