Between Heaven and Earth - Ester Lopez

Mike has been Maria Rojas' Guardian Angel for twenty-two years. The day he rescues her from two criminals, he discovers his human past. Fighting evil spirits and keeping Maria safe are no longer his only priorities. Now he must find out who is trying to kill her and how he died, while fighting temptations of the flesh, forcing him to choose Between Heaven and Earth.

Maria Rojas, a nursing school student drops out of college the day she buries her mother. Being locked out of her apartment forces her to live on the streets of Pensacola. But the streets become dangerous after she witnesses a murder and realizes someone is trying to kill her as well. Her only hope is her Guardian Angel.