Inequality Sudoku: 200 Puzzles

Book excerpt: Featuring a huge number of Inequality Sudoku puzzles, all carefully sorted into order of increasing difficulty, this unique collection of 200 puzzles is full of attractively-designed challenges from best-selling puzzle author Dr Gareth Moore, author of many international books. Inequality Sudoku adds greater-than and less-than signs to regular Sudoku, comparing the values of neighbouring squares. Printed on large, top-quality paper ideal for solving on, the 200 Inequality Sudoku puzzles vary in difficulty from easy to hard so whatever your preference or experience you'll always find a puzzle here to suit you.