The product is a lot of three books by Sinclair Lewis, including “Arrow Smith,” “Prodigal Parents,” and “Main Street.” Published by Collier in 1925, these vintage hardcover novels are written in English and targeted towards an adult audience. The novels fall under the genre of satire, offering a critical perspective on various aspects of society during the 1920s. With a specific focus on the themes of the American dream and social norms, these works by Sinclair Lewis provide a unique insight into the cultural landscape of the era.