The Deagon OPS Book is a fantasy novel written by Mari Mancusi and published by Scholastic in 2006. The book, titled Dragon OPS, falls under the genre of fantasy and supernatural. It is written in English and is available in paperback format, making it accessible for readers to enjoy the captivating story filled with dragons, magic, and adventure. With its engaging plot and dynamic characters, this book is sure to transport readers to a world filled with excitement and wonder.