Deadliest Killer Sudoku: Test your BRAIN and IQ with these INSANE puzzles

By djape

Deadliest Killer Sudoku - The Book That Launched the Hardest Killer Series

After publishing 10 volumes of the "Revenge of Killer Sudoku" series, DJAPE heard the same request over and over: harder. The Deadliest Killer Sudoku series is his answer - and this is Volume 1, the book where the difficulty jumped to a level that many solvers did not think was possible without guessing.

It is possible. Every puzzle in this book has a verified unique solution that can be reached through pure logical deduction. But reaching that solution requires mastery of every Killer Sudoku technique in the book: the Rule of 45 applied in creative ways, innies and outies, cage splitting, hidden subsets, and careful combination analysis across multiple intersecting cages.

If you are an experienced Killer Sudoku solver who has worked through the Revenge series and wants to know what comes next - this is it. If you have not completed the Revenge series, go back and do that first. The Deadliest books assume you have already internalized everything those books teach.

Compact 6 x 9 inch format - portable, intense, and built to be savored one puzzle at a time. All solutions at the back.

From DJAPE - the author whose Killer Sudoku books have created a progression path from "Easy Killer Sudoku" all the way to "World's Hardest." PhD in Computer Science, 250+ books, Washington Post since 2006.

• Format: Paperback
• Language: English
• ISBN: 1484903714
• ISBN13: 9781484903711
• Release Date: May 2013
• Publisher: Createspace Independent Publishing Platform
• Length: 124 Pages
• Weight: 0.39 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"