Enlightening Delilah

The third novel in the School for Manners series finds the Tribble sisters, Amy and Effy, once again entangled in the machinations of the marriage mart. The formidable but lovable spinsters, who earn their living by sponsoring young girls and finding them husbands, take on the case of Delilah, a beautiful, mindlessly flirtatious country heiress.

What puzzles everyone is why such a beauty is unmarri...