Billie and the Secret Mystery Club are investigating their most serious mystery yet. Someone has taken something from the principal's office at school! Who would have done such a terrible thing? And when one of Billie's friends becomes a suspect, will Billie even know who to trust anymore?
Author Biography
Sally Rippin is Australia's highest-selling female author and one of the country's best-loved children's authors. Writing for almost 20 years, Sally has written over 50 books for children and young adults, and her mantel holds numerous awards for her writing. Best known for her Billie B Brown and Hey Jack! series, Sally loves to write stories with heart and characters that resonate with children, parents and teachers alike.
