The Emperor's Knives: Empire VII

'A master of the genre' The TimesThe seventh novel in Anthony Riches' acclaimed Empire sequence brings Marcus Aquila back to Rome, hunting the men who destroyed his family. But the revenge he craves may cost him and those around him dearly. The young centurion's urge to exact his own brutal justice upon the shadowy cabal of assassins who butchered his family means that he must face them on their own ground, risking his own death at their hands.
A senator, a gang boss, a praetorian officer and, deadliest of all, champion gladiator Mortiferum - the Death Bringer - lie in wait. The knives are unsheathed, and ready for blood .