Diagonal Sudoku Compendium: 160 puzzles with an X - Paperback
$16.18
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Diagonal Sudoku Compendium: 160 puzzles with an X - Paperback
$16.18
by Djape (Author)
The Power of the X: 160 Diagonal Sudoku Challenges
A comprehensive collection of Diagonal Sudoku puzzles. Also known as Sudoku X, this format adds one critical rule to the standard game: both main diagonals running corner-to-corner must contain the digits 1 through 9.
In the harder grids, this diagonal constraint is absolutely mandatory to break the logic lock. The introduction teaches you how to leverage this constraint to spot powerful new patterns. Verified unique solutions.
Author Biography
DJAPE is the author of more than 70 puzzle books and some 17 puzzle games for Amazon Kindle, ranging from Sudoku variants such as Killer Sudoku and Samurai Sudoku to Kakuro, TriDoku, Hidoku, CalcuDoku, Futoshiki and Picross/Hanjie/Griddlers/Nonograms puzzles. Also, Djape contributes regularly to newspapers and magazines across the globe, including The Washington Post. Currently Djape is working on his PhD thesis in Computer Science. Likes sailing, dancing tango, horseback riding, playing bridge and traveling.
Number of Pages: 124
Dimensions: 0.26 x 9 x 6 IN
Publication Date: October 10, 2013
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