ULTRA HARD SUDOKU VARIETY vol. 1: 9x9, 10x10, 12x12, 15x15 and 16x16 + Jigsaw Version (300 Puzzles) - Paperback

by Doku Sensei (Author)

Sudoku is a game of logic, reasoning, and process of elimination, no math skill is necessary to be proficient at Sudoku.

-Includes 300 fun and challenging puzzles

-5 different puzzle sizes (9x9, 10x10, 12x12, 15x15 & 16x16)

-4 Jigsaw Levels

-Accurate difficulty and complete solution provided!

This collection of puzzles will keep you busy for hours!