The Enemies of Jupiter (The Roman Mysteries VII), by Caroline Lawrence

Orion Children’s Books, 2012. ISBN: 1407239406. Paperback. Very good condition.

Libro en inglés

Jonathan’s father, Doctor Mordecai, is summoned to Rome to help the plague victims. The four young detectives are wanted too, as the Emperor Titus believes that they can find the mysterious enemy who seeks Rome’s destruction.

Can the friends prevent disaster? And what is Jonathan’s secret mission?