Comic Title: Mystery in Space #76
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: June 1962
On Sale Date: April 19, 1962 Copyright Date April 19, 1962
Source: Library of Congress, Periodicals 1962

Frequency: Monthly, with the exception of January, April, July and October
Cover Price: $0.12
Page Count: 32
Editor: Julius Schwartz

Title: "Challenge of the Rival Starman"
Pages: 14

Feature(s):
Adam Strange (of Earth-1)

Writer: Gardner F. Fox
Penciller: Carmine Infantino
Inker: Murphy Anderson

Reprinted In:
Strange Adventures #236 (1972)
Adam Strange Archives Vol. 2 HC (2007)
Showcase Presents:Adam Strange Vol. 1 TPB (2007)
Adam Strange:The Silver Age Omnibus HC (2017)

Feature Character(s)

• Adam Strange (last appearance in Mystery in Space #75; next appearance in Mystery in Space #77)

Supporting Character(s)

• Alanna (last appearance in Mystery in Space #75; next appearance in Mystery in Space #77)

Villain(s)

• Xanthos (champion of Zarala; no further appearances)

Synopsis:
Adam returns to Rann where a yellow-skinned man begins following him. The man reveals himself to be Xanthos, a champion from Zarala. He has come to Rann to learn fighting techniques from Adam to best his rival Yarnak. Xanthos creates several traps for Adam to escape from, then challenges the Earthman to a duel. Adam defeats Xanthos, who appreciatively returns to his own world to use his new knowledge in defense of his own planet.