M-116 ROBERT P. MILLS (ed.) The Best from Fantasy and Science Fiction, Tenth Series (cover by Jack Gaughan; 1966; 1st ACE printing; listed as "Complete & Unabridged")
M-119 JULES VERNE Journey to the Center of the Earth (c. 1956; 1959; 1963; 1965; 4th ACE printing)
M-132 ROBERT W. CHAMBERS The King in Yellow (cover by Jack Gaughan; 1965; listed as "Complete & Unabridged")
M-132 (back cover)
M-137 ROBERT P. MILLS (ed.) The Best from Fantasy and Science Fiction, Eleventh Series (cover by Bob Schinella; 1966; 1st ACE printing)
M-142 H. F. HEARD Doppelgangers (cover by Jerome Podwil; c.1947; 1966; listed as "Complete & Unabridged")
M-143 JOHN W. CAMPBELL Islands of Space (cover by McKeon; 1965; listed as "Complete & Unabridged")
M-147 ANDRE NORTON The Stars Are Ours! (cover by Ed Valigursky; c.1955; 1963; 1966; listed as "Complete & Unabridged")
M-148 ANDRE NORTON Star Born (cover by Emsh; c.1958; 1963; 1966; listed as "Complete & Unabridged")
Star Born (the sequel to The Stars Are Ours!) was originally published as ACE Double D-299 (1958) bound with H. Beam Piper's and John J. McGuire's A Planet For Texans. It was also published as ACE Single F-192 (1963) using the same cover art.
M-149 JACK VANCE (aka JOHN HOLBROOK VANCE) The Eyes of the Overworld (cover and interior illustration by Jack Gaughan; 1966; listed as "First Book Publication")
M-150 ANDRE NORTON The Defiant Agents (cover by Emsh; c.1963; 1966; listed as "Complete & Unabridged""; 2nd ACE printing)
M-150 (back cover)
M-151 ANDRE NORTON The Last Planet (original title: Star Rangers; cover by Barton; c.1958; 1959; 1962; 1966; listed as "Complete & Unabridged")
The Last Planet was originally published in ACE Double D-096 (1955) bound with Alan E. Nourse's A Man Obsessed. It was also released as an ACE Special Edition (single) D-96 (1955) and reprinted in ACE F-366 (nd). All of these editions use the same cover art by Baron.
M-152 H. WARNER MUNN King of the World's Edge ( cover, title page, and interior illustration by Jack Gaughan; c.1939; 1966; listed as "First Book Publication")
M-153 A. E. VAN VOGT The Weapon Makers (cover by Jack Gaughan; c.1947; 1966; listed as "Complete & Unabridged")
M-154 JOHN W. CAMPBELL Invaders From the Infinite (cover by Gray Morrow; 1966; listed as "Complete & Unabridged")
M-155 ROGER ZELAZNY Four For Tomorrow (cover by Jack Gaughan; 1967; listed as "First Book Publication")
M-156 ANDRE NORTON Key Out Of Time (cover by Emsh and interior illustration by Jack Gaughan; c.1964; 1966; listed as "Complete & Unabridged")
The Key Out Of Time was orginally published as ACE Single F-287 (1964).
M-157 ANDRE NORTON Star Gate (cover by Emsh; c.1956; 1963; 1966; listed as "Complete & Unabridged")
Star Gate was originally published as ACE Double D-199 (1956) bound with Poul Anderson's Planet of No Return. It was also published as ACE single F-231 (1963). The editions use the same cover art.
M-162 DAVID GRINNELL (aka DONALD A. WOLLHEIM) Edge of Time (cover by Kelly Freas; c.1959; 1967; 2nd ACE printing; listed as "Complete & Unabridged")
M-165 KEITH LAUMER Worlds of the Imperium (cover by Ed Valigursky; c. 1962; 1966; 2nd ACE printing; listed as "Complete & Unabridged")