"The Great Brain at the Academy" is a children's novel written by John D. Fitzgerald. It is part of the Great Brain series, which follows the adventures of a clever boy named Tom Fitzgerald in the early 1900s. In this story, Tom's intelligence and scheming nature are highlighted as he navigates life at a new academy. The plot revolves around Tom's experiences with his classmates and teachers, showcasing his ability to outsmart others. The book emphasizes themes of friendship, ingenuity, and the challenges of growing up, making it an engaging read for young audiences.