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Barnes and Noble

Killer Sudoku - 200 Easy to Normal Puzzles 9x9 (Volume 3)

Current price: $6.99
Killer Sudoku - 200 Easy to Normal Puzzles 9x9 (Volume 3)
Killer Sudoku - 200 Easy to Normal Puzzles 9x9 (Volume 3)

Barnes and Noble

Killer Sudoku - 200 Easy to Normal Puzzles 9x9 (Volume 3)

Current price: $6.99
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(also known as " ", " ") is a mathematical and logical puzzle. This book introduces you to the amazing world of Killer Sudoku puzzles. It will help you understand the rules of this puzzle. This book is perfect for players of all skill levels and ages. You will find exciting puzzles, both for beginners and for professionals. Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x3 region with the numbers 1-9 once. Fill all rows, columns and 3x3 region with numbers exactly like in regular sudoku. Every cell is a part of a cage, indicated by dotted line. Make sure the cells can be added up to the sum of its cage. Numbers cannot repeat within cage. Numbers cannot repeat within a single row, column or 3x3 region. As Killer Sudoku belongs to the same class of puzzles as Sudoku the puzzle can demonstrate a wide spectrum of relative difficulty. The grade is determined by a combination of opportunities to solve at each stage and the difficulty of the strategy that grants each solution. Puzzles almost like Calcudoku, but unlike number cannot appear more than once in a block.

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Barnes & Noble does business -- big business -- by the book. As the #1 bookseller in the US, it operates about 720 Barnes & Noble superstores (selling books, music, movies, and gifts) throughout all 50 US states and Washington, DC. The stores are typically 10,000 to 60,000 sq. ft. and stock between 60,000 and 200,000 book titles. Many of its locations contain Starbucks cafes, as well as music departments that carry more than 30,000 titles.

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