{"product_id":"optical-illusions-the-science-o","title":"OPTICAL ILLUSIONS: THE SCIENCE O","description":"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.\nEvery 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:\nFigure\/ground illusions, in which one shape switches into another then back again Ambiguous figures Impossible objects Trompe l'oeil Stereo illusions.\nWith illusions rendered in photography, artwork and computer imaging, and a huge variety of themes and effects, Optical Illusions dazzles both the mind and the eye.\u003cbr\u003eASIN: 1554071518\u003cbr\u003eVSKU: 31UIGP005GEC_ns\u003cbr\u003eCondition: Acceptable\u003cbr\u003eAuthor\/Artist:Seckel, Al\u003cbr\u003eBinding: Paperback\u003cbr\u003e\u003cb\u003eNote:\u003c\/b\u003e Any images shown are stock photographs and product may differ from what is shown.  \u003cbr\u003e\u003cb\u003eCondition Notes\u003c\/b\u003e: The item is very worn but is perfectly usable. Signs of wear can include aesthetic issues such as scratches, dents, worn and creased covers, folded page corners and minor liquid stains. All pages and the cover are intact, but the dust cover may be missing. Pages may include moderate to heavy amount of notes and highlighting, but the text is not obscured or unreadable. Page edges may have foxing  age related spots and browning . May NOT include discs, access code or other supplemental materials.  \u003cbr\u003e","brand":"Blue Vase Books","offers":[{"title":"Default Title","offer_id":42935684497469,"sku":"31UIGP005GEC_ns","price":8.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/4225\/9261\/files\/1554071518-0.jpg?v=1769029582","url":"https:\/\/www.bluevasebooks.com\/products\/optical-illusions-the-science-o","provider":"Blue Vase Books","version":"1.0","type":"link"}