Through the Hidden Door

Blurb

Through the Hidden Door is a young adult novel by Rosemary Wells. This book was a runner-up for a 1988 Edgar Allan Poe Award. The book details the story of Barney Penniman, an awkward eighth-grader with a lisp who is attending a boarding school. Barney deals with bullies and a headmaster who dislikes him, but finds friendship with a younger, also socially awkward student named Snowy Cobb. The two boys unearth an amazing archeological find and secretly work to dig it up.
This book was published by Puffin in 1987.