The product is a paperback book titled "GURPS Atlantis" by Steve Jackson Games. It measures 10.94 x 8.46 x 0.31 inches and weighs 13.30 ounces. The book is part of the GURPS series, known for its detailed rules and lore for role-playing games. With a focus on the lost city of Atlantis, this book offers a unique and immersive experience for fans of the franchise and tabletop gaming enthusiasts.