400 Mind-bending IQ Puzzlesde Philip CarterMateriasPuzzlesEdiciones (1)400 Mind-bending IQ Puzzles (2006)D&B Publishing · inglés · ISBN 9781904468332Más obras de Philip Carter500 IQ Puzzles (Boost Your Brain Power)TThe Blue Book of Brain TeasersThe Blue Book of Brain TeasersBBoost Your Business IqBoost Your Business Iq