The Atlas of Pern by Karen Wynn Fonstad is an authorized companion book to the science fiction Dragonriders of Pern series by Anne McCaffrey. It was completed in 1984 based on the first seven Pern novels and collaboration with McCaffrey.The Atlas is a large-format book comprising regional maps, chronologies for the seven published novels, local maps and drawings of "Hall, Hold, and Weyr", thematic maps on a world scale, and notes.