A Campbell Award winner and Nebula Award finalist from the multi-award winning SF master Jack McDevitt. Fourth in the acclaimed Academy series.
A civilization-destroying Omega cloud has switched direction, heading straight for a previously unexplored planetary system - and its alien society.
A handful of brave humans must try to save an entire world ... without revealing their existence.
A story rich in detail and filled with action ... This taut tale of SF suspense belongs in most collections - Library Journal
McDevitt honors the memory of his predecessors by writing up to their level - SciFi .com
McDevitt handles the back story so adroitly that readers unfamiliar with earlier volumes in this series should have no trouble following the action - The New York Times Book Review