This is a book containing Sudoku puzzles for children in kindergarten - ages 4 - 8 years and up. All the puzzles in the book are 4 x 4 Sudoku puzzles designed specially for these children in mind. Sudoku rules are easy - each number 1, 2, 3, and 4 must appear only once in each row, column, or block. There are 200 puzzles in the book categorized as follows: 120 Classic Sudoku (played with the four numbers 1, 2, 3, 4) and 80 Alphabet Sudoku (played with the four letter A, B, C, D). In addition, there are 9 example puzzles that are solved in a step-by-step manner. The puzzles are of three types - Easy, Medium, or Difficult. The solutions to all the puzzles in the book are available at the end of the book. The book has a website at www.PetraBooks.com where you can find more puzzle books for children. This is a companion book to the best selling book "Kindergarten Sudoku: 4x4 Sudoku Puzzles for Kids".