Download or read book Unveiling the Edge of Time written by John Gribbin and published by Three Rivers Press. This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acclaimed science writer John Gribbin recounts dramatic stories that have led scientists to believe black holes and their more mysterious kin are not only real, but might actually provide a passage to other universes and travel through time. 56 line drawings.