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Gerry Gilmore  reviews Parallel Worlds: The Science of Alternative Universes and Our Future in the Cosmos by Michio Kaku, in The Guardian:

ParallelworldsCosmology books, explaining the probable origins and possible futures of our universe, have become the latest little black number: everyone seems to have one, many are appealing, but few match the classics. Michio Kaku is the latest to enter the lists, with his version of the history of the discovery of modern cosmology, of the mind-stretching array of mathematically-based calculations and speculations about possible far futures, including travel outside our universe into other multi-verses, and of his speculations on what it all means. Longlisted for the Samuel Johnson award for non-fiction, this is not a classic, but does raise many interesting ideas.

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