Doctor Who: Missing Adventures is a 27-book series with 27 released primary works first released in 1994 with contributions by Paul Cornell, John Peel, Paul Leonard, Christopher Bulis, Gareth Roberts, Barry Letts, Steve Lyons, Martin Day, Justin Richards, Stephen Marley, Andy Lane, Marc Platt, Daniel O’Mahony, Gary Russell, David A. McIntee, Lance Parkin, and Dave Stone.