The Darkness Within 162 pp, 16.2 cm, pbk, (with Roney Scott's 1953 "Shakedown," Ace Books, 158pp). Ace Double Novel Books (D-17).*1952 (1949). Ericson, Walter. Fallen Angel. vi, 181 pp, 19.4 cm, "First Edition" ©1951, [yellow linson, black lettering] (HF on Fallen Angel). Little, Brown & Co. Boston.*
| 1952. | Ericson, Walter. vi, 181 pp, 19.4 cm, "Reprinted January 1952", [yellow linson, black lettering]. Little, Brown & Co. Boston.* | |
| 1952. | Ericson, Walter. vi, 181 pp, 19.4 cm, "Reprinted March 1952", [yellow linson, black lettering]. Little, Brown & Co. Boston.* | |
| 1952. | vi, 181 pp, 19.4 cm, ©1951, McClelland and Stewart Limited. Canada. | |
| 1953. | The Darkness Within 162 pp, 16.2 cm, pbk, (with Roney Scott's 1953 "Shakedown," Ace Books, 158pp). Ace Double Novel Books (D-17).* | |
| 1963. | Stone, Peter. Fallen Angel. 106 pp, 28 cm, "#00650", typescript. treatment [screenplay] from a novel by Howard Fast. Universal-International Pictures, 1963. Universal City, Calif. | |
| 1965. | film: Mirage. | |
| 1965. | Fast, Howard. Mirage. 126 pp, 17.9 cm, pbk, (originally published as "Fallen Angel"). Crest (d808).* | |
| 1967. | Fast, Howard. Mirage. 125 pp, 18 cm, pbk, Mayflower-Dell. London. |
