Shogakukan (Japanese: 小学館 Shōgakukan) are a large publisher of dictionaries, literature, manga and other media based in Japan. Shogakukan are the publishers of CoroCoro Comic, where the Densetsu no Starfy manga illustrated by Yumiko Sudō and Densetsu no Starfy R was published. Shogakukan also published the tankōbon (booklets) for these manga. Densetsu no Starfy (Yumiko Sudō)'s tankōbon was published under the "Tentōmusi CoroCoro Comic" label, and Densetsu no Starfy R's tankōbon was published under the "Tentomusi Coro Coro Dragon Comics" label.
In addition to Legendary Starfy manga, Shogakukan have published The Legendary Starfy series Nintendo Official Guidebooks in Japan under the Wonder Life Comics (Wonder Life Special) label. These guidebooks were officially licensed by Nintendo.Shogakukan sponsors the Next Generation World Hobby Fair.