Gray Lensman Author:E.E. Doc Smith Somewhere among the galaxies was the stronghold of Boskone-a network of brilliant interplanetary criminals whose mania for conquest threatened a future of all known civilization. But where? Boskonian bases dotted the universe-shielded by gigantic thought-screens that defied penetration. The best minds in Galactic Patrol had tried. Now it was up... more » to Lensman Kim Kinnison, using his fantastic mental powers, to infiltrate the Boskonian strongholds and learn the location of enemy's Grand Base and smash it forever.« less