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06.01.2011A collection of many types of puzzles. It includes riddles, lateral thinking problems, mathematic...
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09.05.2013
Over 100 riddles, conundrums, and lateral thinking teasers and more to challenge your solving ski...
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01.09.2019
Two-hundred science puzzles focused on real-world questions to be investigated at home, demonstra...
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19.09.2019
Each puzzle in this book is constructed in a manner that will make the circumstances fit one, and...
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01.10.2016
¿Cómo meter un huevo en una botella? y otras preguntas : enigmas extraños, raros y maravillosos q...
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11.08.2016
The problems in this book describe situations which are unusual or even bizarre, and which defy a...
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03.03.2020
Mystify your mind with over 100 brainteasers. This provocative collection tests your solving skil...
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