"Things are going swimmingly for new students Mera and Raven, until the girls go on a field trip to Mera's hometown of Atlantis and find that the underwater city has vanished! Batgirl, Supergirl, Wonder Woman, Bumblebee, Raven, Miss Martian and Starfire discover that Atlantis has been shrunk and bottled by the powerful villain Brainiac!"--Publisher's description.
