From Single Mom to Secret Heiress (Harlequin Desire\Dynasties: The Lassiters)

Where there's a will, there's a secret… 

When Hannah Armstrong opens the door to find a cowboy on her porch, her jaw drops—and not just because he's beyond handsome. Apparently she's heir to the Lassiter fortune. If Logan Whittaker, cowboy-turned-attorney, can help her uncover the truth about her biological father, why say no—at least for her daughter Cassie's sake? 

With Hannah tucked away at his ranch house, Logan longs to turn their business affairs into something more personal. Except Hannah has enough dark family secrets to cope with—and Logan's own past could spell trouble just as things are really heating up….