Uncanny X-Men (1963) is a 43-book series with 43 released primary works first released in 1963 with contributions by Len Wein, Stan Lee, Chris Claremont, Dennis O'Neil, Barry Windsor-Smith, Mark Gruenwald, Scott Lobdell, Bob Harras, Fabian Nicieza, Mark Waid, Jeph Loeb, Terry Kavanagh, Larry Hama, William Messner-Loebs, Peter David, Benjamin Raab, Alan Davis, Roy Thomas, and José Ladrönn.