Nathan's Child by Anne McAllister

When Nathan Wolfe discovers that he's a father, he decides that marriage is the only way to mend the past.

Carin Campbell had good reasons for keeping Nathan's child a secret. But now he's demanding that they marry. Carin knows he's proposed out of duty, not love. Besides, he isn't the type to settle down.

That was then, Nathan says. Now he's determined to prove her wrong....