Featuring a huge number of Killer Sudoku Pro puzzles, all carefully sorted into order of increasing difficulty, this second volume of 200 puzzles is full of attractively-designed challenges from best-selling puzzle author Gareth Moore, author of many international books. Killer Sudoku Pro features t only cages which must sum to a given value, as in regular Killer Sudoku, but also cages that must multiply, subtract or divide their contents to reach the given clue value. Printed on large, top-quality paper ideal for solving on, the 200 Killer Sudoku Pro puzzles vary in difficulty from easy to hard so whatever your preference or experience you'll always find a puzzle here to suit you. Visit www.PuzzleBooks.org for a full list of other titles in this series, or search '200 Puzzles Moore' on Amazon for lots more titles in this series, including regular Killer Sudoku.
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, The Rough Guide Book of Brain Training, Keep Your Brain Fit: 101 Ways to Tone your Mind, and The Mammoth Book of Brain Workouts. He also writes the monthly magazine Sudoku Xtra.