Sapphires Are an Earl's Best Friend (Jewels of the Ton)
It is the perfect assignment for Lily Dawson, the “Countess of Charm.” All Lily has to do is use her allure to seduce the Duke of Ravenscroft and find proof that he is the traitor trying to discover the identities of secret agents. Lily has captured the Duke’s interest, and her plan is working like a charm until the duke’s son,  Andrew Booth-Payne, Earl of Darlington, inserts himself back into Lily’s life. While Lily might be one London’s most celebrated courtesans,  Andrew can’t believe Lily would even think about becoming romantically involved with his father. Even as Andrew does his best to derail any developing romance between Lily and the duke, he finds himself falling under her seductive spell. Galen (True Spies, 2013) wraps up her Jewels of the Ton trilogy with a fast-paced, sexy tale that is custom-made for readers who like their historical Regencies souped-up with plenty of espionage-flavored intrigue and dramatic adventure. --John Charles