Additional information
by Gareth Moore (Author)
Featuring 101 Killer Jigsaw Samurai Sudoku puzzles, sorted into order of increasing difficulty and printed on large, top-quality paper, this second unique collection of such puzzles is full of attractively-designed challenges from best-selling puzzle author Gareth Moore, author of many international books.
Each puzzle consists of 5 overlapping Killer Jigsaw Sudoku grids, arranged so that you must solve all of them simultaneously to arrive at the unique solution to the overall puzzle. Guessing is never needed - only sensible logical deductions.
Jigsaw Killer Sudoku combines Jigsaw and Killer Sudoku, replacing the 3x3 regions of regular Sudoku with irregular jigsaw shapes, and adding in the numerical cage constraints of Killer Sudoku.
Visit www.PuzzleBooks.org for a full list of other titles in this series.
Author Biography
Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults, including The Mammoth Book of Fun Brain Training, Keep Your Brain Fit: 101 Ways to Tone your Mind and The Rough Guide Book of Brain Training. He is also the creator of online brain training site Brained Up (www.brainedup.com) and runs the puzzle website www.puzzlemix.com. He gained his Ph.D from Cambridge University (UK) in the field of Machine Learning, and has contributed to various advanced projects for leading technology companies.
