Sudoku Puzzles Book - 400 Hard To Expert 9X9

Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column and 3x3 box.

• | Author: James Lee
• | Publisher: Createspace Independent Publishing Platform
• | Publication Date: May 22, 2018
• | Number of Pages: 230 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 1719471487
• | ISBN-13: 9781719471480