Lord Mumford's Minx — Debbie Raleigh

AN INDEPENDENT MISS IS THE PERFECT MATCH...
When a woman appears at Stanholte Manor, claiming to be the real heir to the family fortune, Miss Cassandra Stanholte determines to prove her a fraud. Cassie´s one clue leads her to the most notorious neighborhood in London where she takes the drastic and dangerous measures of disguising herself as a courtesan. But her plan is hampered by the utterly charming Lord Mumford,. He´s a devilish nuisance, following her in the streets and appearing quite uninvited at her door! Cassie prays he´ll tire of his ridiculous obsession before he discovers the truth...and falls any deeper in love.

...FOR AN IRRESISTIBLE EARL
Lord Luke Mumford is bored with his new responsibilities as heir to a ponderous fortune and vast estate. Once life was an endless adventure. Now it is a dull round of meetings and paperwork. Then the rakish earl stumbles upon an elusive and intriguing Cyprian, and suddenly, life seems very exciting indeed. Mumford determines to discover whatever secret the young miss is hiding. What starts out as an exciting game becomes something far more serious when the dashing earl finds he is losing his heart...