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?
- Series:¬†Billie B. Mysteries
- Paperback:¬†96 pages
- Publisher:¬†Kane Miller/ EDC Publishing (2015)
- Product Dimensions:¬†5.3 x 0.3 x 7.9 inches