Mr. Clarke’s Deepest Desire by Sophie Barnes

When an earl’s daughter falls for a businessman in this secret identities Regency romance, she risks more than heartbreak when his connection to her past threatens her reputation…
How can he build a future with a woman whose father ruined his life?
Having recently suffered the death of her father, Rosamund Parker faces an uncertain future. Intent on retaining her independence, she plans to invest her modest inheritance. But the man whose help she seeks is as infuriating as he is handsome. For reasons she can’t comprehend, he’s set on thwarting her at every turn, even as he tempts her with kisses she ought not want.
Matthew Clarke needs funding for his locomotive business, but he’ll not accept it from the Earl of Stoneburrow’s daughter. As far as Matthew’s concerned, that entire family can go hang. Unfortunately, Lady Rosamund seems to pop up wherever he goes. Ignoring the fire she stirs in him becomes an increasing challenge. But surrendering to it could prove disastrous. It could in fact ruin both their lives…