Astonishing Tales #23 was published by Marvel Comics on April 1, 1974, as part of a series that began in 1970. Stan Lee and Tony Isabella write, and art comes from Dick Ayers, Ernie Chan and Esteban Maroto. This 36-page issue features Fin Fang Foom, It The Living Colossus, Bob O'Bryan, Granitor and Dr. Vault, among 6 characters cataloged on VerseDB.