Banning sisters trilogy

Lady Elizabeth, the youngest and most headstrong of the three Banning sisters, has been engaged three times, and has most scandalously broken off all three engagements. Neil Severin is a wicked rogue, black of heart and black of reputation. A man of no morals, devoid of compassion, he is a government-sanctioned assassin. When circumstances most unexpectedly throw the two together, Beth's life is in danger and Neil finds himself in the unexpected role...