Best Book of Kakuro Puzzle ever CreatedKakuro or Kakkuro or Kakoro (Japanese: カックロ) is a kind of logic puzzle that is often referred to as a mathematical transliteration of the crossword. Kakuro is a puzzle game on a crosswords-like board where digits are used in order to make them sum up to values specified in the 'definition' squares of the board. In addition, inside each sum group, each digit can appear once at most.This Kakuro Puzzle Book is a fun way for teens or adults to sharpen their memory and test their logic and critical thinking. This book contains 100 Kakuro Puzzles to keep the solver entertained for hours. Features: 100 Kakuro Puzzles and Solutions 2 Puzzles per page 8.5 x 11 Inch Easy to tear out, thanks to wide margins Perfect as a gift for puzzle lovers