PositiveThe Washington PostGleick gathers an engaging cast of characters who wrote these stories or otherwise explored the possibilities of time travel. His book resembles a salon where the guests include physicists, science-fiction writers, philosophers, logicians and scientist-philosophers, among many other articulate souls ... the rapid circulation of speakers and topics can be head-spinning at times. But Time Travel presents a great read — as well as a wide-ranging, rich list for further reading — for anyone intrigued by the scientific romance of time travel.