Books like Kissed by an Angel/The Power of Love/Soulmates

An angelic romantic suspense trilogy in one volume! Kissed by an Angel: Ivy and Tristan have the love of a lifetime--until Tristan dies in a car accident. Now Tristan returns as an angel, but Ivy is unable to feel his presence. The Power of Love: Tristan has learned that the person responsible for the car crash is after Ivy. Can he cross the boundaries of life and death to warn Ivy that she is in trouble? Soulmates: Tristan must rescue Ivy, but if he does so his mission will be finished and he will have to leave his true love forever.