Avon Books

Published by Avon (T-387) in 1960. Cover art is uncredited (Darcy perhaps?)

First published by Avon in 1957. This 2nd edition (T-393) is undated , but is circa 1960. Cover art is uncredited, though there is a faint signature (Clark Hulings?)

Published by Avon (T-426) in 1960. Cover art is not credited.

Published by Avon (T-441) in 1960. Cover art is uncredited, though there is a signature underneath the last two letters of the title.

Published by Avon (T-452) in 1960. The wonderful cover art is not credited.

Published by Avon (T-469) in 1960. Cover art by Victor Kalin.

Published by Avon (T-470) in 1960.

Published by Avon (T-491) in 1961. Cover art is not credited.

First published in hardback by Dodd, Mead & Co. in 1959. This paperback edition published by Avon (S212) in May 1966. Whit Masterson was a pseudonym of Robert Wade and Bill Miller. Cover art by Robert Abbett.

First published in the U.S. by Banner in 1967. This 3rd printing published by Avon (S406) is dated April 1970. (Banner and Avon were both owned by the Hearst Corporation, and details of 2nd printing are not known) Cover art by Don Punchatz.