Out of the Blue Nights of Death and Desire by Jack Gunthridge

When Candice, a teenage girl, dies on her way home from the prom, she starts to go up to heaven. On the way, she runs into the soul of a handsome man. Her hopes of finding a lasting love with this man are interrupted as his soul is placed into the body of a newborn. Through out of body experiences, she is able to be with the man of her dreams at night as his body sleeps. But as the boy grows up, will she be satisfied with just his soul as his body starts to become interested in other women?