Time Travel : The Science and Science Fiction (Real Unexplained!)

"A survey of fictional and "true" tales concerning time travel, this book explores the possibilities of traveling to the past and future. Everything from time machines and wormholes to space travel and Einstein's theories are uncovered as the author recounts the fiction works of H. G. Wells, the accounts of real-life traveler John Titor, and theories of such scientists as Stephen Hawking"--