Camp Jupiter Classified: A Probatio's Journal: An Official Rick Riordan Companion Book (Trials of Apollo Series)

In this companion book to Rick Riordan's best-selling Trials of Apollo series, bizarre things are happening throughout Camp Jupiter. To find out why, listeners can hear the pages of this camper's journal, which reveals the secrets of the Roman demigods' training ground.

It's the February after Gaea's defeat, and mysterious incidents are wreaking havoc throughout Camp Jupiter. If the Romans don't figure out who--or what--is behind the episodes soon, the Twelfth Legion could implode.
Suspicion ...