This product is a paperback book titled "Companions Of Doctor Who - Turlough and the Earthlink Dilemma" published in 1986 as part of the Doctor Who franchise. The book falls under the genre of science fiction and is a collectable item for fans of the series. It likely explores the adventures of Turlough and the Doctor in the Earthlink Dilemma, offering readers an exciting and imaginative escape into the world of science fiction and time travel.