Supergirl and the Legion of Super-Heroes #30 was published by DC Comics on July 1, 2007, as part of a series that began in 2006. Mark Waid writes, and art comes from Barry Kitson, Jimmy Palmiotti and Mick Gray. This 36-page issue features Supergirl, Saturn Girl, Cosmic Boy, Brainiac 5 and Lightning Lad, among 30 characters cataloged on VerseDB.