Calcudoku: Letter-Size

Each book features:

300 Puzzles: each book contains 300 puzzles and no repeats! Solutions are located at the back of the book.

 Font Size: varies but no smaller than standard book font-size.

 Margins: ample space surrounding the puzzles

 Book Size: the book is standard letter size (8.5″ x 11″ / 21.59cm x 27.94cm).

 Binding: uses standard book industry binding (the same binding used for novels)

Jump to your desired grid size:   4×4,   5×5,   6×6,   7×7,   8×8, or 9×9.

 

4×4 Printed Books

Choose your difficulty and tap the cover to buy a physical book now.

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Front Cover - 300 CALCUDOKU Puzzles (4x4, add)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (4x4, add/subtract)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (4x4, multiply)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (4x4, multiply/divide)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (4x4, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (4x4, mixed)

4×4 eBooks

Choose your difficulty and tap the cover to buy a PDF eBook now.

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (4x4, add)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (4x4, add/subtract)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (4x4, multiply)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (4x4, multiply/divide)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (4x4, all)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (4x4, mixed)

5×5 Printed Books

Choose your difficulty and tap the cover to buy a physical book now.

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (5x5, add)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (5x5, add/subtract)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (5x5, multiply)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (5x5, multiply/divide)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (5x5, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (5x5, mixed)

5×5 eBooks

Choose your difficulty and tap the cover to buy a PDF eBook now.

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (5x5, add)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (5x5, add/subtract)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (5x5, multiply)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (5x5, multiply/divide)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (5x5, all)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (5x5, mixed)

6×6 Printed Books

Choose your difficulty and tap the cover to buy a physical book now.

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, add)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, add/subtract)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, multiply)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, multiply/divide)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, mixed)

6×6 eBooks

Choose your difficulty and tap the cover to buy a PDF eBook now.

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (6x6, add)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (6x6, add/subtract)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (6x6, multiply)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (6x6, multiply/divide)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (6x6, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (6x6, mixed)

7×7 Printed Books

Choose your difficulty and tap the cover to buy a physical book now.

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (7x7, add)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (7x7, add/subtract)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (7x7, multiply)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (7x7, multiply/divide)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (7x7, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (7x7, mixed)

7×7 eBooks

Choose your difficulty and tap the cover to buy a PDF eBook now.

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (7x7, add)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (7x7, add/subtract)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (7x7, multiply)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (7x7, multiply/divide)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (7x7, all)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (7x7, mixed)

8×8 Printed Books

Choose your difficulty and tap the cover to buy a physical book now.

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, add)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, add/subtract)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, multiply)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, multiply/divide)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, mixed)

8×8 eBooks

Choose your difficulty and tap the cover to buy a PDF eBook now.

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (8x8, add)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (8x8, add/subtract)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (8x8, multiply)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (8x8, multiply/divide)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (8x8, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (8x8, mixed)

9×9 Printed Books

Choose your difficulty and tap the cover to buy a physical book now.

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (9x9, add)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (9x9, add/subtract)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (9x9, multiply)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (9x9, multiply/divide)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (9x9, all)

Buy a Printed Book (via Amazon)

Front Cover - 300 CALCUDOKU Puzzles (9x9, mixed)

9×9 eBooks

Choose your difficulty and tap the cover to buy a PDF eBook now.

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (9x9, add)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (9x9, add/subtract)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (9x9, multiply)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (9x9, multiply/divide)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (9x9, all)

Buy a PDF eBook

Front Cover - 300 CALCUDOKU Puzzles (9x9, mixed)

Stay Tuned! More puzzle books coming soon.