Philadelphia, Winston, 1959. First edition, first impression. Hardback. A tight copy of Ben Bova's first book. Inscribed by Bova to the title page. The most sought after of the Winston juveniles. Star Conquerors was the first in Bova's Watchmen series. A collectable title. Some light edge wear to the jacket, some rubbing to the board edges, collector's plate to the rear pastedown. A nice copy. Cover art by Mel Hunter [10609, Hyraxia Books].