{"product_id":"rectangles-aka-shikaku-volume-three-advanced-12x12-grids","title":"Rectangles aka Shikaku: Volume Three - Advanced 12x12 Grids","description":"Rectangles is a pure logic challenge for serious thinkers.\n\nAlso known as Shikaku, this elegant puzzle asks you to divide a grid into perfect rectangles - each containing exactly one number, and each matching that number's area.\n\nSimple rules. Powerful reasoning.\n\nInside this volume, you'll train your brain to:\n\nAnalyze spatial relationships\nThink in factor pairs\nEliminate impossibilities\nManage limited space\nSolve with precision - not guessing\n\nEvery puzzle is carefully constructed to provide a satisfying logical path to the solution. No tricks. No randomness. Just clean deduction.\n\nWhether you are new to Rectangles or already a seasoned solver, this collection is designed to strengthen your structured thinking skills while delivering hours of focused, satisfying challenge.\n\nIf you enjoy Sudoku, Shikaku, Numbrix, or other grid-based logic puzzles, Rectangles will quickly become a new favorite.\n\nGreat Puzzle Books - where logic gets sharper.","brand":"Puzzles For A Cause","offers":[{"title":"Default Title","offer_id":57931693392175,"sku":"9dnxnx","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/0199\/4543\/files\/dyeqwg8-front-shortedge-384.jpg?v=1778449680","url":"https:\/\/www.puzzlesforacause.com\/products\/rectangles-aka-shikaku-volume-three-advanced-12x12-grids","provider":"Puzzles For A Cause","version":"1.0","type":"link"}