The Gerry Anderson's Space 1999 paperback novels, "Planet of Peril" and "The Space-Jackers," are vintage collectables from the United Kingdom. Published in 1977, these science fiction books are part of the iconic Space 1999 franchise, offering readers a thrilling and imaginative experience set in the vast reaches of outer space. With their unique blend of storytelling and world-building, these novels are a must-have for any fan of the genre.