She'll share the duke's bed... but she won't be his wife! Growing up believing he was the illegitimate son of a duke, Isaac Radcliff is shocked to discover his late parents had been married--and he's the new Duke of Hartfield! But first Isaac must claim his seat from his father's young widow, Adelaide... Isaac's roguish smile and handsome face ignite a visceral attraction in Adelaide, making her realize the passion her marriage had been missing. While marrying Isaac is a way to keep her home, she's defiant. She's had one convenient marriage--this time it's a love match or nothing!