In Japan, Bridges are known as Hashiwokakero.In these puzzles, you connect the islands to form a network so that you can reach any island from any other island. The number on each island indicates the number of outgoing bridges. You may only connect islands horizontally or vertically, and you may use one or two bridges to connect islands, but no more than two. Each Bridge puzzle has only one unique solution, which you can find without guessing.Features:8.5 x 11 inches formatPremium glossy cover200 puzzles ready to be solvedSolutions includedKws: bridges puzzles, hashi puzzle book, hashi puzzle, bridges puzzle book, bridge puzzle, bridge puzzle book, japanese number puzzles