Chain Sudoku: 250 Medium to Hard Chain Sudoku Puzzles 4x4

by Mindful Puzzle Books

Chain Sudoku consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain.

• Format: Paperback
• Language: English
• ISBN: 1070890375
• ISBN13: 9781070890371
• Release Date: May 2019
• Publisher: Independently Published
• Length: 148 Pages
• Weight: 0.46 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"