Sudoku Pocket Rocket- 100 Hard Pocket Size Sudoku Puzzles - Volume 1: Handy 4 x 6 inch layout – 1 Puzzle per Page (Hard Sudoku Pocket Rocket)

Get ready to Blast-off into the world of Pocket Size Sudoku Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Sudoku Pocket Rocket Book can be taken with you wherever you go. The Sudoku Puzzles in the Hard Sudoku series of books do require advanced solving techniques. The Pocket Rocket series of books are available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku X. In my classic Sudoku puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into nine 3 x 3 square boxes.The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column and 3 x 3 box must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column or 3 x 3 box.100 Hard Sudoku Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Required Ideal For Advanced Puzzle Solvers Solutions Included