A NovelAudiobook CD - 2014 | Unabridged.
"Rio has always dreamed of leaving the underwater city of Atlantia for life in the Above; however, when her twin sister, Bay, makes an unexpected decision, Rio is left stranded below where she must find a way to unlock the secrets of the siren voice she has long hidden and save Atlantia from destruction"-- Provided by publisher.
Publisher: [New York] : Listening Library, 
Branch Call Number: CD TEEN CON
Characteristics: 8 audio discs (548 min.) :,CD audio, digital ;,4 3/4 in.