Cover of Puzzler's Guide to Yellowstone and Grand Teton by Kristy McGowan

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Cover of Classic Brainteasers by Karen C. Richards

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Cover of Mensa Brain Twisters by Helene Hovanec

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Cover of Are We There Yet? by Karen C. Richards

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Cover of Brain Boost by Frank Longo

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Cover of Disney's Big Book of Hero Puzzlers by Karen C. Richards

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Cover of Mighty Mini Mind Bogglers: A Mensa Book by Karen Richards

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Cover of Mighty Mini Mind Bogglers by Karen C. Richards

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Cover of The Little Giant Encyclopedia of Mensa Mind Teasers by Karen C. Richards

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