Critically acclaimed author Kimberley Griffiths Little weaves a haunting story of friendship and family and the power of faith, once again set against the lush backdrop of the Lousiana bayou.After her mother walked out on Shelby Jayne and her dad, Shelby thought she'd never speak to her mamma again. But with her dad leaving the country for work, it turns out she doesn't have a choice: Shelby has to move back into her mamma's house, deep in the heart of the Louisiana bayou.Her new classmates tease and torment her, so Shelby's relieved to finally find a friend in Gwen, a mysterious girl who lives alone on the bayou. But Shelby can't help wondering if Gwen has something to do with the puzzling messages she finds hidden in the blue bottle tree behind her house.