M. A. Larson is a film and television writer who lives with his wife, daughter, and two dogs in a California canyon. Larson is the author of Pennyroyal Academy, and The Shadow Cadets of Pennyroyal Academy, and has written for Cartoon Network, Disney Channel, Disney XD, Disney UK, Discovery Kids Channel, The Hub, and Nickelodeon. As a writer on the cult sensation My Little Pony: Friendship Is Magic, he has been a guest at "brony" fan conventions from Paris, France, to Dallas, Texas.