Containing more than 100 enigmas, riddles and conundrums, all taking inspiration from their extraordinary stories and vivid worlds, explore new galaxies and new technologies while solving challenges all written in the distinctive and brilliant styles of these five stars of science fiction. Enter the genre-defining worlds created by five masters of speculative fiction in The Science Fiction Puzzle Book. Featuring the prolific works of Isaac Asimov, Ray Bradbury, Arthur C. Clarke, Robert A. Heinlein and Ursula K. Le Guin, become part of their futuristic, dystopian and world-building adventures with this series of enigmatic puzzles. 'A knotty puzzle may hold up a scientist for a century' - Isaac Asimov, The Robots of Dawn.