What is the author's style in Daughter of the Mountains by Louise S. Rankin?

Daughter of the Mountains is a children's book and is written in relatively simple prose as a result. The book contains the fairly straightforward tone and pace that most children's literature does given that the book aims to tell a concrete story with an obvious and uncomplicated plot structure. The language reflects this tone and pace. The reader will notice that sentences are relatively short. The language also jumps between dialogue and the author's monologue quite a bit and these styles are somewhat distinct. The conversations are relatively short and do not involve extended passages of speech. The author's passages mostly describe Momo's travels and Momo's particular doings. However, the author will also use more sophisticated language in order to describe the various landscapes, geographical landmarks and cultures that Momo passes through.