200 Kakuro and 200 Killer Sudoku Puzzles. Hard and Very Hard Levels
Subtitle: Kakuro 17x17 + 18x18 + 19x19 + 20x20 and Sumdoku 8x8 Hard + 9x9 Very Hard Sudoku Puzzles. .
Publisher: Independently Published
Published: 2019
Language: eng
ISBN-13: 9781796881707