Sudoku Extreme Volume 3 book contains total of 228 hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudoku play...

Sudoku Puzzle Volume 1 book contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. Each individual puzzle has a single unique solution bas...

Sudoku Junior Volume 1 EBook contains total of 228 puzzles organized at 5 different difficulty levels (1-5) which includes 2X3, 3X2, 2X4, and 4X2 with all of their solutions respectively. The instruction to play both in English and Spanish. This b...

Sudoku Fiendish Volume 4 book contains total of 228 very hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudok...

Sudoku Fiendish Volume 3 book contains total of 228 very hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudok...

Sudoku Fiendish Volume 1 book contains total of 228 very hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudok...

Sudoku Fiendish Volume 5 book contains total of 228 very hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudok...

Sudoku Puzzle Volume 2 book contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. Each individual puzzle has a single unique solution bas...

Sudoku Puzzle Volume 3 book contains total of 228 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. Each individual puzzle has a single unique solution bas...

Sudoku Extreme Volume 1 book contains total of 228 hard puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudoku play...