<p><b>"A tour de force" - New York Times Book Review</b><br><br><b>"Ambitious, finely detailed and compulsively readable" - Locus<br><br>"It is a book that feels fundamentally true; it is a book to live in" - Washington Post</b><br><br>For Kivrin Engle, preparing an on-site study of one of the deadliest eras in humanity''s history was as simple as receiving inoculations against the diseases of the fourteenth century and inventing a bullet-proof backstory. For her instructors in the twenty-first century, it meant painstaking calculations and careful monitoring of the rendezvous location where Kivrin would be received.<br><br>But a crisis strangely linking past and future strands Kivrin in a bygone age as her fellows try desperately to rescue her. In a time of superstition and fear, Kivrin finds she has become an unlikely angel of hope during one of history''s darkest hours.<br><br><b>Winner of both the 1993 Hugo and Nebula Best Novel awards, this is a science fiction classic.</b><br><br