{"product_id":"brain-tickler-mathrax-puzzles-the-best-japanese-puzzles-collection-9781719901321","title":"Brain Tickler: Mathrax Puzzles - The Best Japanese Puzzles Collection","description":"\u003cp\u003e • Author(s): Jeff Heldt\u003cbr\u003e • Publisher: Independently Published\u003cbr\u003e • Publisher Imprint: Independently Published\u003cbr\u003e • BISAC: Logic \u0026amp; Brain Teasers\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cb\u003eMathrax\u003c\/b\u003e consists of a square grid. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Circles with additional conditions may be situated on intersections of lines inside the grid; a circle may contain: - A number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally adjacent cells. - A letter \"\u003cb\u003eE\u003c\/b\u003e\" (\"even\") - all numbers in four cells are even. - A letter \"\u003cb\u003eO\u003c\/b\u003e\" (\"odd\") - all numbers in four cells are odd.\u003c\/p\u003e\u003cp\u003elogic puzzles for adults - logic puzzle books for adults - logic puzzle book - logic puzzle games - logic puzzle for adults - logic puzzle activity book - logic puzzle adult - logic puzzle grid - logic puzzle magazine - logic puzzle magazine for adults - logic puzzle workbook - logic puzzles for middle school - logic puzzle answers - logic puzzle books for middle school - logic puzzle brain teaser - logic puzzle beginner - logic puzzle daily - logic puzzle for middle school\u003c\/p\u003e","brand":"Independently Published","offers":[{"title":"Paperback","offer_id":45546957471895,"sku":"9781719901321","price":897.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9781719901321.webp?v=1767127078","url":"https:\/\/atlanticbooks.com\/products\/brain-tickler-mathrax-puzzles-the-best-japanese-puzzles-collection-9781719901321","provider":"Atlantic Books","version":"1.0","type":"link"}