Courted by the Earl

Chasing a rumor of a clandestine marriage, the reluctant new Earl of Hackwell combs London for his late brother's secret wife and son. Annabelle Harris came to London to find her disgraced sister, the mistress to the Earl of Hackwell. But that Earl has been murdered, Annabelle has his son, and her sister has disappeared again. Now she must clear her sister's name and keep the new Earl from taking the boy away.
When their paths converge, the reluctant Earl and the independent spinster find themselves rethinking their goals, and battling the real murderer together.