Optical Illusions: The Science of Visual Perception (Illusion Works) by Seckel, Al

Firefly Books, 2009-01-01. paperback. UsedGood. 9x0x10. Good condition.No marking/highlighting.Cover and pages may show some wear.Not Satisfied? Contact us to get a refund.

Firefly Books, 2009. Paperback. Good. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Firefly Books, Limited, 2009. Paperback. Acceptable. Disclaimer:A readable copy. All pages are intact, and the cover is intact. Pages can include considerable notes-in pen or highlighter-but the notes cannot obscure the text. At ThriftBooks, our motto is: Read More, Spend Less.Dust jacket quality is not guaranteed.

Firefly Books, Limited, 2009. Paperback. Very Good. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Firefly Books, Limited, 2009. Paperback. Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

UsedGood. The cover shows normal wear. Fast shipping and order satisfaction guaranteed. A portion of your purchase benefits Non-Profit Organizations, First Aid and Fire Stations!

Firefly Books, Limited. Used - Very Good. Used book that is in excellent condition. May show signs of wear or have minor defects.

Firefly Books, Limited. Used - Good. Used book that is in clean, average condition without any missing pages.

UsedAcceptable. The item is very worn but continues to work perfectly. 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.

Firefly Books, Limited. Used - Good. Former library book; may include library markings. Used book that is in clean, average condition without any missing pages.