"First edition so stated on copyright page." - Currey
Page count from LOC.
Price from AbeBooks.
Cover is signed but signature is indecipherable.
Bantam paperback edition states that there was a second printing in August, 1960 and a third in September, 1960.
Catalog of Copyright entry A00000458168 puts the publication date at 1960-08-04.
No BLIC.
LCCN from LOC lookup.
"Jacket Design By Tony Palladino" on back flap in FantLab photo, but artist's signature is partially visible on the lower left of the front cover.