Published By IW Here's Strange Planets Issues 9 and 16.
Strange Planets #9 (1958)reprints the Wally Wood cover from Flying Saucers (Avon 1952). The stories are reprinted from Strange Worlds #4 (Avon 1951). Two by Wood/Orlando and one by Charles Sultan.
Strange Planets #16 (1964) has a new Andru/Esposito cover and stories reprinted from Strange Worlds #6 (Avon 1951). Two by Everett Raymond Kinstler, one by John Rosenberger and one by Sid Check.
(we have the originals available)