The product is a book titled "The Secrets of a Savoyard" by Henry A. Lytton, originally published in 1922 by George H. Doran. The book is likely to be a collectible item for theater enthusiasts, offering insights and secrets about the world of theater performance. With its antiquarian appeal and connection to the theater industry, this book may hold historical value and provide a unique perspective on the art of theater during that time period.