Rake's Rainbow series:
Three Best Friends - Thomas, Charles, and Jeremy have been inseparable since meeting at school at the tender age of eight. Now they must expand their group as each finds the one lady he cannot live without.
Double Danger . . .
Young and inexperienced Lady Melissa Stapleton was adrift in a world of deception and desire. Lord Heflin, the most rapacious rake in England, had her brother in his debt and Melissa at his mercy. She had to flee his odious advances - only to find herself in greater danger.
Lord Charles Rathbone was far more charming and seductive than the horrific Lord Heflin. Yet Rathbone was as infamous a rake as he was irresistible. Now Rathbone chose Melissa as the woman he wanted - and not merely to satisfy his lust. He needed her to pose as his bride-to-be, and with Hef1in hot on her trail, she had to agree to the monstrous masquerade. She was not only a stranger afraid in this realm of devious deception, but also an imperiled innocent when it came to denying Rathbone his rising desire and masking her own . . .