On-sale date from ad in Wonder Woman #136 and copyright registration.
Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Lettering credit from reprint in JLA Archives.
The Tornado Tyrant features in the origin of the Red Tornado. It last appeared in Mystery in Space #61.
Story is told across 25 pages in 4 chapters: unnumbered part 1 (4.67 pp.), Part 2 (7.67 pp.), Part 3 (8.67 pp.), Part 4 (2.67 pp.)
Lettering credit from reprint in JLA Archives.
Published in cooperation with the National Social Welfare Assembly.
Previously appeared in some November 1962 DC titles; later appears in May 1966 titles.
On the page between page 5 and page 6 of the main story sequence.
Letters from James Morrison, John DeVries, Jim Dismukes, Joe B. Allen, C. E. Casey, Robert Butts, Dorothy Keyser.
On the two pages between page 13 and page 14 of the main story sequence.
On the page immediately following page 22 of the main story sequence.
Statement of October 1, 1962
Average number of copies sold during preceding 12 months; 340,000
Owners: National Periodical Publications, Inc., Harry Donenfeld, Irwin Donenfeld, Sonia Iger, J.S. Liebowitz, P.H. Sampliner, S.U. Sampliner, Harry Donenfeld Foundation, Inc., all at 575 Lexington Avenue, New York 22, N.Y.