'Clegg's enjoyable exposition of how human time travel might be possible ... give[s] some unusually lucid scientific explanations' Guardian 'Clegg proves himself to be a lucid guide to the often complex science of time travel. His ambitious book covers more or less the whole of twentieth-century physics from relativity to string theory' Times Literary Supplement 'Brian Clegg conjectures on the totally conjectural world of time and space travel and brings it all beautifully down to earth. Brilliant' Johnny Ball

Brian Clegg was born in Lancashire. He read Natural Sciences at Cambridge University and has an MA in Operational Research from Lancaster University. In 1994 he set up a consultancy whose clients include the BBC, Met Office, Sony, the Treasury and others. His books include Gravity, Inflight Science and Infinity.