The Singers of Time (Spectra SF) - Jack Williamson ; Frederik Pohl

The Singers of Time (Spectra SF) by Jack Williamson ; Frederik Pohl

Format: Mass-Market Paperback

Published by Bantam Books, 1991

When the conquering aliens on Earth find out that their home planet has been destroyed, they turn to the humans--whom they have long treated as intellectually inferior--for the scientific help they need to rescue their planet.