What is Kakuro? It combines two of the most popular puzzles in the world—crosswords and sudoku. Taking the variety of crossword grids and mixing them up with the number-placing logic of sudoku, the aim is to solve a series of clues while following some of the rules of the sudoku grid. This book shows absolute beginners how to get started. It contains 100 puzzles, divided into four levels, starting with small, very easy grids and moving on to bigger and more challenging puzzles.