Gaunt's Ghosts is a 31-book series with 30 released primary works first released in 1964 with contributions by Dan Abnett, Graham McNeill, Matthew Farrer, Nick Kyme, Aaron Dembski-Bowden, Sandy Mitchell, Rob Sanders, Nik Vincent, David Annandale, John French, Rachel Harrison, Robert Rath, Marc Collins, Edoardo Albert, and Justin D. Hill.