About: http://webisa.webdatacommons.org/267731138

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	First, tell me what the book is about.The book is a history of the serious study of time travel that began with a 1988 paper by a group of theoretical physicists at the California Institute of Technology.
http://www.w3.org/ns/prov#wasQuotedFrom	physicscentral.com