Sudoku Empire 1 : 480 Puzzles From Easy To Very Hard

480 Soduku puzzles from beginners to expert's level! Keep your brain alive and active. Develop logical thinking. Improve your patience and concentration. No age limit or materialistic requirements, just need this book and a pencil!

• • Author: Emily Marks
• • Publisher: Createspace Independent Publishing Platform
• • Publication Date: Sep 08, 2017
• • Number of Pages: 178 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1976047846
• • ISBN-13: 9781976047848