"The Secret of the Hills" is an exciting detective novel from the tandem of writers Arthur J. Rees and John R. Watson. In this book, readers are immersed in a maelstrom of puzzle fragments surrounding mysterious events on the coast of western England. The main character, a skilled detective, unravels intricate plots, uncovers secrets and exposes criminals. "The Secret of the Hills" is an exciting journey into the world of intrigue and mystery, which keeps the reader in suspense until the last page.