Books in the Thanatology series

Sariel is the angel of death and is responsible for ushering the human soul to Heaven, Hell, or possibly someplace between. Who is Sariel and what does he do besides serve humanity in their final moments? Does he have other motives? Does he know how to love? Follow Sariel as he explores the dark yet rich world around him. Everyone has a story to tell, but none are quite like his.