What is the narrator point of view in the novel, Where Things Come Back?

Where Things Come Back is a fictional account which is told from the alternating first-person perspective of Cullen Witter, and the third person multiple perspectives of supporting characters beginning with Benton Sage. The story starts from Cullen Witter's first-person perspective. He describes his feelings after having to identify his cousin Oslo's body after he dies of an overdose. The second chapter is told from the third-person perspective of Benton Sage. This chapter reveals Benton's feelings as he is given his very first missionary post in Ethiopia. In the third chapter, Whaley returns to the first person perspective of Cullen and introduces the Lazarus woodpecker. The fourth chapter follows the alternating format, returning to the third-person perspective of Benton in Ethiopia. In Chapters five through nine, the same format continues, alternating between Cullen's first-person perspective and Benton's third-person perspective with each chapter. Chapter ten introduces the third-person perspective of Cabot Searcy, formerly introduced in the story by his university dorm roommate, Benton Sage. Chapters eleven through thirteen follow this format - alternating between Cabot's third-person and Cullen's first-person perspectives. Chapter fourteen is told from the third-person perspective of Alma Ember. The format continues to alternate Cullen's first-person perspective and Alma's third-person perspectives throughout the remainder of the book.