X-Men: Miniseries is a 21-book series with 21 released primary works first released in 1990 with contributions by Chris Claremont, John Ostrander, Roger Stern, John Byrne, Bob Layton, C.B. Cebulski, Greg Pak, Ed Brubaker, Akira Yoshida, David Hine, Kevin Conrad, Jim Muniz, Juan Santacruz, Jeff Parker, Kieron Gillen, Chuck Kim, Brian Michael Bendis, Jason Aaron, Jonathan Hickman, Matt Fraction, Jeph Loeb, Brahm Revel, Cullen Bunn, Gerry Conway, Scott Lobdell, and Peter Milligan.