The Philip Jose Farmer The Riverworld Series box set consists of three rare paperbacks from the United Kingdom, published by Granada Publishing Ltd. Written in English by renowned author Philip Jose Farmer, this collection is a must-have for fans of his work. The paperbacks are bound in paperback format, making them a durable and portable addition to any book collection. With its unique and captivating storyline set in a parallel world, this box set is a valuable and collectible item for any avid reader.