Three books. One hidden truth. When young detective Atlas and his loyal dog Moose uncover strange clues near an abandoned mine, they’re pulled into a decades-old secret buried beneath the town of Rustwood. Flickering lights, hidden maps, and forgotten machines lead Atlas to discover the truth behind a powerful automated workforce—and the secret group that risked everything to stop it. From The Original Book to The Watcher’s Light to The Guardians , this complete trilogy follows Atlas, Moose, and new ally Luna as they uncover hidden history, solve clever puzzles, and step into the role of the next Guardians of the Gear . Perfect for readers who love adventure, mystery, and smart problem-solving, Atlas and His Dog Moose: Junior Mystery Solving Detectives – The Complete Trilogy is a thrilling middle-grade collection packed with heart, suspense, and discovery.