HIDOKU-DOKU - COOL SUDOKU -15x15- 50 Easy + 50 Medium + 50 Hard + 100 Very Hard
Subtitle: Large Print + Solutions + Bonus 250 Classic Sudoku Puzzles Levels Very Hard - 9 X 9. Format 8. 5 '' X 11 ''.
Publisher: CreateSpace Independent Publishing Platform
Published: 2018
Language: eng
Number of pages: 150
ISBN-13: 9781721919413