Mercedes Lackey is the author of the bestselling Valdemar series, the Obsidian Trilogy (The Outstretched Shadow, To Light a Candle, and When Darkness Falls), the Enduring Flame trilogy (The Phoenix Unchained, The Phoenix Endangered, and The Phoenix Transformed), and the Tales of the Five Hundred Kingdoms. She has written many other books, including Trio of Sorcery, Phoenyx and Ashes, Sacred Ground, The Firebird, The Fairy Godmother, and Alta. Lackey is the co-author, with Andre Norton, of the Halfblood Chronicles, including Elvenborn. Mercedes Lackey was born in Chicago and graduated from Purdue University. She has worked as an artist's model, a computer programmer, and for American Airlines, and has written lyrics and recorded more than fifty songs. She lives in Oklahoma.
Rosemary Edghill is a prolific writer in several genres, under her own name and various pseudonyms. She lives in upstate New York with several cats and several Cavalier King Charles Spaniels, which she shows in obedience competitions.