The perfect stocking-filler for the puzzle fans in your family. 200 logic puzzles to test your brain with this collection from The Times, like a mathematical crossword. Ideal for fans of Su Doku who relish grappling with figures. Contains four levels of difficulty, combining arithmetic with an intersecting layout: Mild, Medium, Tricky and Tough. Kakuro originated in the United States in the 1950s under the name of Cross Sums. A logic puzzle, the aim is to complete a grid using digits from 1 to 9, with the digits in each row/column adding up to the clue for that block. It's similar to Su Doku in the sense that digits cannot be repeated in a row/column.

Also known as: Croco Puzzle, Cross Sums, CrossSam, Kasan Kurosu, Kreuzsummenraetsel,Tashizan Cross, Zahlenschwede

Are you up to the challenge?