Cherry Tune-Up by Adriana Kraft

Cherry Tune-Up (Silk's Vault Publishing)
Plucky Bobbi Jo Martin, a rising star in the banking industry, is a totally inexperienced virgin. Now she has only two weeks to transform herself into a skilled lover so she won’t disappoint her fiancé’s expectations. Desperate, she turns to her childhood friend. A successful contractor who harbors NASCAR racing dreams, Jack Day has never forgotten his high school sweetheart. No way can he turn her down—but how is he to protect his heart? In a moment of sheer genius he decides to play the role of master! For ten excruciating days Bobbi Jo revels in Jack’s intoxicating care…