Sudoku Xtra 23

Sudoku Xtra 23 is packed full of 134 top-quality logic puzzles of a wide range of types, including a diverse selection of unusual Sudoku variations such as Consecutive Sudoku, Inequality Sudoku, Kropki Sudoku, No Donkey Step Sudoku, Diagonal Sudoku, Product Little Killer, Offset Sudoku, Killer Sudoku Zero and many more. Other puzzle types include Link-pix, Tren, Corral, No Four in a Row and Battleships. Not only that, but there's also Hanjie, Futoshiki, Hashi, Calcudoku, Dominoes, Slitherlink and many more logic puzzles. Printed on top-quality, 8.5 by 11 inch paper ideal for solving on, Sudoku Xtra is the ultimate logic puzzle compendium.