“superbly written.”                              -- The Guardian

“An engaging look at modern physics at the far-flung theoretical frontiers.”                             -- Times Higher Education

“An honest, intelligent and largely accessible work of impressive scholarship on a difficult subject.”
                                                                   -- Nature

"It is a remarkable fact that time travel is not obviously ruled out by the known laws of physics. In fact, they appear to provide numerous avenues for cheating time. All are described here in fascinating detail by David Toomey. From Einstein's general theory of relativity to wormholes and closed time-like curves, this is an entertaining and authoritative survey of a mind-blowing, scarcely believable field, and the story of the theoretical physicists at the forefront of its study. It's proof, if proof be needed, that science is far stranger than science fiction."

                                                                   -- New Scientist

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