My Side of the Mountain is a children or young adult adventure novel written and illustrated by American writer Jean Craighead George published by E.P. Dutton in 1959. It features a boy who learns about courage, independence, and the need for companionship while attempting to live in a forested area of New York state. In 1960, it was one of three Newbery Medal Honor Books (runners-up) and in 1969 it was loosely adapted as a film of the same name. George continued the story in print, decades later.

Answer this question: what genre is my side of the mountain? Let's give stream of consciousness first:
The important part for answering this question is: My Side of the Mountain is a children or young adult adventure novel written and illustrated by American writer Jean Craighead George published by E.P.
So, the final answer is a children or young adult adventure novel.