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    Armchair Puzzlers: Optical Teasers (Armchair Puzzlers) (Paperback) By (author) Al Seckel


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    DescriptionEach optical teaser in this challenging book is a small diagram that, when stared at or moved in a certain way, tricks the eyes. Brief directions show readers how to experience the teaser. Some of these "directions" ask a question intended to make the viewer do something. The answer to the question is determined by viewing the teaser and is also printed in upside-down text at the bottom of the page. The teasers are very easy to perform but are interesting enough to merit repeated viewings. Includes over 80 puzzles.

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  • Full bibliographic data for Armchair Puzzlers: Optical Teasers

    Armchair Puzzlers: Optical Teasers
    Authors and contributors
    By (author) Al Seckel
    Physical properties
    Format: Paperback
    Number of pages: 96
    Width: 131 mm
    Height: 137 mm
    Thickness: 7 mm
    Weight: 109 g
    ISBN 13: 9781575289557
    ISBN 10: 1575289555

    B&T Merchandise Category: GEN
    B&T Book Type: NF
    BIC E4L: HOB
    BIC subject category V2: WDK
    B&T Modifier: Region of Publication: 01
    Nielsen BookScan Product Class 3: T13.4
    B&T Modifier: Academic Level: 05
    B&T General Subject: 370
    Libri: I-GA
    Warengruppen-Systematik des deutschen Buchhandels: 24250
    Ingram Subject Code: GA
    B&T Approval Code: A09700000
    DC21: 152.148
    BISAC V2.8: GAM007000
    DC22: 152.148
    LC classification: QP495 .S4355 2004
    Illustrations note
    University Games
    Imprint name
    University Games
    Publication date
    01 July 2004