The Secret Sanchez Heir (Harlequin Presents)

"Marriage, Abigail. Like it or not, there's no other way." Leandro Sanchez never forgot the beautiful virgin who lit a fire in him like no other—then betrayed him. When Abigail Christie appears on his doorstep, Leandro decides one last explosive night is the only way to get her out of his system. But Abigail has a secret…their son! Leandro's discovery of the true consequence of their steamy nights leaves Abigail completely at the billionaire's mercy. The Spanish tycoon always gets what he wants, and now he's determined to legitimize his heir…by seducing Abigail into wearing his ring!