Parallel Worlds

This popular-science book surveys modern cosmology and the idea that our universe may be one among many. Kaku explains inflation, black holes, extra dimensions in string theory, and proposals for bubble or membrane universes, then considers whether wormholes or other speculative engineering could connect such worlds. He distinguishes what observation already supports from what remains hypothesis. The closing chapters ask what a far-future civilization might do if this universe became uninhabitable. The book is an exposition of cosmological theory for general readers, not a novel of alternate histories and not a laboratory manual.

Quarter-bound in green title blocked cloth with colour picture printed paper sides. Plain slipcase.