{"product_id":"optical-illusions-book-al-seckel-9781554071517","title":"Optical Illusions","description":"\u003cp\u003e This intriguing collection contains more than 275 optical illusions that appear to change before your eyes. Al Seckel carefully selected both well-known images, such as Shepard's tabletop, Wade's spiral, Ames room and Rubin's face\/vase, and many lesser-known, but no less effective, illusions. \u003c\/p\u003e\u003cp\u003e Every type of optical illusion is here, along with notes about the science of each visual perception and how the illusions work. Among the baffling images and shapes are: \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cli\u003eFigure\/ground illusions, in which one shape switches into another then back again\u003c\/li\u003e \u003cli\u003eAmbiguous figures\u003c\/li\u003e \u003cli\u003eImpossible objects\u003c\/li\u003e \u003cli\u003eTrompe l'oeil\u003c\/li\u003e \u003cli\u003eStereo illusions.\u003c\/li\u003e \u003cp\u003e With illusions rendered in photography, artwork and computer imaging, and a huge variety of themes and effects, \u003cb\u003eOptical Illusions\u003c\/b\u003e dazzles both the mind and the eye. \u003c\/p\u003e","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49682492490001,"sku":"GOR002371027","price":4.6,"currency_code":"GBP","in_stock":true},{"title":"US \/ GOOD \/ SBYB","offer_id":50000748806417,"sku":"CIN1554071518G","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ NEW \/ GARDNERS","offer_id":50202957250833,"sku":"NGR9781554071517","price":17.69,"currency_code":"GBP","in_stock":true},{"title":"US \/ VERY_GOOD \/ SBYB","offer_id":50528954614033,"sku":"CIN1554071518VG","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":50766513045777,"sku":"GOR006037711","price":5.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ NEW \/ INGRAM","offer_id":51037578035473,"sku":"NIN9781554071517","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"US \/ WELL_READ \/ SBYB","offer_id":52395164369169,"sku":"CIN1554071518A","price":0.0,"currency_code":"GBP","in_stock":false},{"title":"GB \/ WELL_READ \/ INTERNAL","offer_id":53353675850001,"sku":"GOR007763165","price":5.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1554071518.jpg?v=1751420185","url":"https:\/\/www.worldofbooks.com\/en-gb\/products\/optical-illusions-book-al-seckel-9781554071517","provider":"World of Books ","version":"1.0","type":"link"}