Items related to the Huge Killer Sudoku Book, 2nd Edition
This book has 250 of the popular Killer Sudoku puzzles, ranging from easy to very challenging. There are five categories: "Warmup" (with 25 puzzles), "Easy" (50), "Medium" (50), "Tricky" (50), and "Difficult" (75) (so no puzzle is actually impossible :-) Solving a Killer Sudoku takes a combination of Sudoku-style logic reasoning and basic math skills, making it a much more interesting puzzle. The puzzles are by the author of the popular Calcudoku puzzle books. Solve both Calcudoku and Killer Sudoku puzzles online at www.calcudoku.org and score points! You can even submit solutions for the difficult puzzles in this book, and score points for each correct solution. This is the 2nd edition: the only difference with the 1st edition is that all solutions are included in the back of the book.
"synopsis" may belong to another edition of this title.
About the Author:
Patrick Min is a freelance scientific programmer. He specializes in geometry software, but has worked in many other areas, such as search engine technology, acoustic modelling, and information security. He has published papers and open source software in several. He holds a Master's degree in Computer Science from Leiden University, the Netherlands, and a Ph.D. in Computer Science from Princeton University. He is also a puzzle enthusiast, devising math puzzles for his father since the age of 7. This continues to this date, with dad solving his son's Calcudoku puzzles. Patrick lives in London.
"About this title" may belong to another edition of this title.
- PublisherLulu.com
- Publication date2013
- ISBN 10 1300862939
- ISBN 13 9781300862932
- BindingPaperback
- Number of pages198
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