2018 CalcuDoku 9x9 Puzzle-A-Day Calendar Book
Subtitle: 2018 CalcuDoku Puzzle Book for 365 Daily CalcuDoku Games. CalcuDoku Puzzles for Every Day of the Year. 365 CalcuDoku Games - 5 Levels of Difficulty
Publisher: CreateSpace Independent Publishing Platform
Published: 2018
Language: eng
Number of pages: 212
ISBN-13: 9781984073259