Historical Fiction: Rome, Ancient

Lawrence, Caroline. The thieves of Ostia: a Roman mystery 
In Rome in the year 79 A.D., a group of children from very different backgrounds work together to discover who beheaded a pet dog -- and why.

Moss, Marissa. Galen: my life in imperial Rome: an ancient world journal
Twelve-year-old Galen describes his life as a slave in Rome under the Emperor Augustus. Features hand-printed text, drawings, and marginal notes.

Ray, Mary. The ides of April
When a Roman senator is murdered in 62 A.D., his slaves are imprisoned, and death for them all is imminent unless the real assassin can be determined.