Tales of Valdemar

Tales of Valdemar is a 21-book series with 21 released primary works first released in 1986 with contributions by Mercedes Lackey, Brigid Collins, Dylan Birtolo, Jeanne Adams, Charlotte E. English, Louisa Swann, Jennifer Brozek, Marie Bilodeau, Elisabeth Waters, J. L. Gribble, Brenda Cooper, Kristin Schwengel, Angela Penrose, Fiona Patton, Rosemary Edghill, Anthea Sharp, Dee Shulman, Ron Collins, Dayle A. Dermatis, Diana L. Paxson, Stephanie D. Shaver, Paige L. Christie, Phaedra Weldon, and Tanya Huff.