The Valdemar Companion contains everything you ever wanted to know about the magical kingdom of Valdemar. It includes interviews with Lackey and her editor, an all new novella, maps, a listing of all names and places, and more. (Description from Lackey's website) Edited by John Helfers and Denise Little, the book is primarily nonfiction, with one novella by Lackey included. Because of the novella, it is sometimes included in lists of Valdemar anthologies.