Arlo Finch in the Valley of Fire is a middle-grade fiction fantasy novel, written by American screenwriter John August.

It is the first book in a planned Arlo Finch trilogy, and is based on August's own experience as a Boy Scout.

[4] Amazon's editors named Arlo Finch in the Valley of Fire as one of the "Best children's books of 2018 so far.

"[5] Booklist wrote: “Accomplished screenwriter August artfully thrusts readers into a whole new world, right alongside Arlo...

[7] August signed a deal with Roaring Brook Press to write an Arlo Finch trilogy.