"The idea of time travel has been with us since ancient times. Now, the concept of time travel seems ... almost ... plausible. Today, tales of chrononauts are more imaginative and thought-provoking than ever before: new views, cutting-edge concepts, radical notions of paradox and possibility -- state-of-the-art speculative stories collected from those written in the twenty-first century. Forward to the past, back to the future -- get ready for a fascinating trip!"--Page 4 of cover.