Woman, the Teen Titans, Doctor Fate, Hawkman, Green Arrow, the Martian Manhunter, the Atom, and the Vigilante. Nick Cardy was the cover artist for World's Finest Comics for issues #212–228. Metamorpho was the backup feature in issues #218–220 and #229 after the character had a brief run as the backup in Action Comics. The series reverted to Superman and Batman team-ups after issue #214, initially with a unique twist, featuring the children they might one day have: Superman Jr. and Batman Jr. These characters, billed as the Super-Sons, were co-created by writer Bob Haney and artist Dick Dillin in issue #215 (January 1973). Super-Sons stories alternated with tales of the original Superman and Batman through issue #263, with issues #215–216, 221–222, 224, 228, 230, 231, 233, 238, 242, and 263 featuring the sons. Haney frequently disregarded continuity by scripting stories which contradicted DC's canon or by writing major heroes in an out-of-character fashion. He introduced Batman's older brother, Thomas Wayne Jr., in World's Finest Comics #223 (May–June 1974). This story was used as a basis for a plot detail in the "Court of Owls" story arc in 2012. Issues #223 (May–June 1974) to #228 (March–April 1975) of the series were in the 100 Page Super Spectacular format. With issue #244 (April–May 1977), World's Finest Comics became one of the first 80-page Dollar Comics. It featured the Superman and Batman team with back-up features. The number of pages was reduced from 80 to 64 starting with issue #252 (August–September 1978) and reduced to 48 pages with issue #266 (December 1980 – January 1981) which lasted until issue #282 (August 1982). Issue #250 (April–May 1978) combined Superman and Batman with the Green Arrow, the Black Canary, and Wonder Woman into the World's Finest Team in a 56-page story. Writer Roy Thomas wrote a book-length story for issue #271 (September 1981) which pieced together all the "first meetings" of Superman and Batman. This issue did not have any backup features. The Hawkman story "Drive Me to the Moon!" in #272 (October 1981) featured Hawkgirl changing her title to Hawkwoman. As of issue #283 (September 1982), the series reverted to a standard format title again featuring only Superman and Batman team-ups, which continued until the series' cancellation with issue #323 (January 1986). The series reached issue #300 in February 1984. This double-sized anniversary issue was a "jam" featuring a story by writers David Anthony