By: Angie Sage
The book takes place in the Isles of Syren after the main character, Septimus Heap crashes there. After a while of waiting to be rescued Septimus notices a voice calling out to him. Eventually the voice ends up causing lots of trouble.
Review of the book
"Once again, Sage's tale combines humor, adventure, and inventive storytelling and is sure to please her many fans." ALA Booklist