Broken GroundAudiobook CD - 2016
When the world of Erdas faces a new threat, four young heroes and their spirit animals are determined to stop it as they embark on a journey that takes them deep underground and to the far corners of the world.
Publisher: New York, NY : Scholastic Audiobooks, 
Branch Call Number: CDJ Sch91B
Characteristics: audio file,CD audio,rda digital,rda 5 audio discs (5 hr., 6 min.) ; 4 3/4 in