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A little light relief needed after ploughing through Changeux’s demanding
text? Try Rudy Rucker’s Infinity and the Mind, now in paperback. Yes, he has
erudite notes and, yes, the concept of infinity is slippery and demanding. But
Rucker brings welcome distraction—puzzles and the odd cartoon—and
his clear style helps. Published by Penguin, £8.99, ISBN 0140262954.