Best known for her work on the DragonLance fantasy series, Margaret Weis was born on March 16, 1948 in Independence, Missouri. She graduated from the University of Missouri in 1970. She worked for Herald Publishing House, starting as a proofreader and leaving as the editorial director of their trade press division. In 1983, she went to work for TSR, Inc., the company responsible for Dungeons & Dragons and many other role-playing games. At TSR, she was part of the design team responsible for the creation of the DragonLance saga, which would eventually sell more than 12 million books. She collaborated with Tracy Hickman to write many of the books herself. In addition to writing, she is the owner and president of Mag Force 7, which produces collectible trading card games.