the Phantom of Colosseum in Bloomington, MN

The Phantom of the Colosseum
is the first volume of the gripping new series for 10 yr. olds and up titled
In the Shadows of Rome
(5 books total).
Being a Christian in ancient Rome was very dangerous. To spread the faith and stay alive, you had to live in the shadows . . .
Now that Blandula's master has been arrested for being a Christian, what will she do? Little does she know that she is about to meet three boys who will help her to find the answer: Maximus, the son of a senator; his slave Aghiles; and Titus, who never goes anywhere without his pet monkey.
Follow their adventures as Blandula and her new companions forge priceless friendships—and discover the many secrets lurking in the shadows of the Colosseum.