The Dragon Masters

No book-club printing is documented in the sources consulted for either the Ace Double or the Dobson hardcover. The reprint tells are catalogue number and format: any Ace paperback of the title lacking the F-185 number and the backed Double format is a later Ace printing, and standalone paperback issues (Mayflower and later) are reprints. On the hardcover side only the 1965 Dobson is contemporary — Underwood-Miller and Suntup hardcovers are modern small-press "first thus" editions — and a genuine Dobson should show green cloth with silver spine lettering beneath the Richard Weaver jacket.