The Auto Boys' Mystery is a tale of young adventurers encountering unexpected danger during a summer camping trip. The story explores how curiosity leads to the discovery of hidden secrets and unraveling mysteries. The boys' peaceful getaway at a secluded lake takes a suspenseful turn when they stumble upon a series of strange events linked to a stolen payroll and a sinister figure. Their investigation uncovers a network of deception, revealing past crimes and the presence of a dangerous character. As the boys uncover more details about the mysterious happenings, their courage and teamwork are tested, showing how bonds of friendship are strengthened in the face of adversity. The novel reflects on the thrill of discovery and the bravery it takes to face unsettling truths. Through their actions, the boys reveal how one's sense of justice and determination can overcome even the most intimidating challenges, while emphasizing the importance of curiosity and collaboration in solving mysteries.