What is the author's style in The Climb: Tragic Ambitions on Everest by Anatoli Boukreev?

"The Climb" is presented in several short chapters in roughly chronological order. The opening four chapters outline the background of Scott Fischer and his climbing guide service called Mountain Madness, and Fischer's efforts to sign clients on to an expedition to reach the summit of Mt. Everest. Co-author Anatoli Boukreev is introduced as Fischer convinces him to sign on to the expedition as a guide.