Semper Fidelis (Gaius Petreius Ruso Series #5)

When Ruso rejoins his unit in the remote outpost of the Roman Empire known as Britannia, he finds that all is not well with the Twentieth Legion. As they keep a suspicious eye on the barbarians to the north, the legionaries appear to have found trouble even closer to home-among the native recruits to Britannia's imperial army.

A young soldier has jumped off a roof, killing himself. Why? Mysterious injuries, and even deaths, begin to pile up in Ruso's medical ledgers, and it soon becomes clea...