Brain Puzzles Collection: Cross Sums Puzzles - 200 Brain Puzzles with Answers

We have something new for you, with Brain Puzzles Collection, a great way for you to spend a few hours in deep concentration, working out complex and fun puzzles and conundrums. (also known as "Kakuro") is a logical puzzle, a mathematical equivalent of crosswords. The book comes complete with the solutions at the back, so you'll always know if you got it right, or can find the solution if you are really stuck for the answer.