Uncanny X-Men (1963) is a 26-book series with 29 primary works first released in 1963 with contributions by Len Wein, Stan Lee, Dennis O'Neil, Chris Claremont, Barry Windsor-Smith, Mark Gruenwald, Scott Lobdell, Mark Waid, Jeph Loeb, Terry Kavanagh, Peter David, Larry Hama, William Messner-Loebs, and José Ladrönn.