The Trials of Apollo: Camp Jupiter Classified: A Probatio’s Journal

The fourth in a series of companion books to Rick Riordan’s series, this one will focus on the Roman demigods’ training camp in Northern California. When mysterious incidents start wreaking havoc throughout Camp Jupiter, suspicion falls on the Fourth Cohort’s newest probatio. But is she really to blame? Find out the truth by delving into the pages of her personal journal.