Killer Sudoku Puzzle Book for Adults: 200 Hard to Very Hard Puzzles 9x9 (Volume2) (Paperback)

The book contains 200 excellent Killer Sudoku puzzles 9x 9. * Hard puzzles 100 * Very Hard puzzles 100 * All riddles have only 1 solution. * 2 puzzles

Killer Sudoku Puzzle Book for Adults : 200 Hard to Very Hard Puzzles 9x9 (Volume2) (Paperback)

Killer Sudoku Medium 200 Puzzle WIth Solution Vol 2: Advanced Puzzle Sumdoku 9781701153455

Killer Sudoku - 200 Hard Puzzles 9x9 (Volume 4) 9781544251196

The Times Ultimate Killer Su Doku Book 15: 200 of the Deadliest Su Doku Puzzles a book by The Times Mind Games

Killer Sudoku Medium 200 Puzzle WIth Solution Vol 4: 9x9, Advanced sumoku Puzzle Book, 2 puzzles per page (Paperback)

Killer-Sudoku puzzle booklet, 200 heavy killer-Sudoku puzzles in grid 9x9 for all, for which normal Sudoku is not enough.In the compact format for on

Killer Sudoku Hard 200 Puzzle With Solution Vol 2 : Advanced Puzzle Book,9x9, 2 puzzles per page (Paperback)

Sudoku for Dummies, Volume 2 by Andrew Heron, Paperback

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Basford Holmes 200 Kakuro and 200 Killer Sudoku puzzles. Medium and hard levels by Basford Holmes, Paperback, Indigo Chapters

The Peaceful Mind Book of Sudoku book by Frank Longo: 9781454943983