How to Solve IQ Puzzlesde Ken RussellMateriasIntelligence testsPuzzlesEdiciones (1)How to Solve IQ Puzzles (2003)D & B Publishing · inglés · ISBN 9781904468103Más obras de Ken Russell120 Modern Crossword Puzzles200 Word Puzzles (Boost Your Brainpower)400 IQ Puzzles (Boost Your Brainpower)