{"product_id":"challenging-logic-puzzles-ted-warner-9781981074945","title":"Challenging Logic Puzzles: Irupu Puzzles - 100 Logic Grid Puzzles With Answers","description":"\u003cp\u003e\u003cb\u003eIrupu\u003c\/b\u003e (\"I-Loop\") is a logic puzzle invented by Naoki Inaba (Japan). A rectangular or square grid contains circles in some cells. The goal is to locate some blocks in the grid, having the size either 1 x 3 or 3 x 1. Each block contains one circle and must be orthogonally adjacent to exactly two other blocks. All block cells form one contiguous region.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Ted Warner\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1981074945\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781981074945\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 05\/11\/2018\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 116\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.40lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.28d","brand":"Ted Warner","offers":[{"title":"Paperback","offer_id":46962237669631,"sku":"9781981074945","price":10.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_6eaccc05-4b18-4220-86fa-9746838a2ca3.jpg?v=1750649747","url":"https:\/\/www.whiterainbookhouse.com\/products\/challenging-logic-puzzles-ted-warner-9781981074945","provider":"WR Book House","version":"1.0","type":"link"}