| 
by: Ernst von Weizsacker · Karlson 'Charlie' Hargroves · Michael H. Smith · Cheryl Desha · Peter StasinopoulosHardcover details (UK). details (USA). details (Germany). details (France). 
 
 ISBN: 978-1-84407-591-1 ISBN-10: 1-84407-591-5 Earthscan Ltd. · 2009  | 
| See also (possibly by other authors): | ||
| 2009 | Paperback | Factor X (Spanish Edition) | 
| 2004 | Paperback | The Factor | 
| 1995 | Paperback | Factor X (X-Men: The Age of Apocalypse Gold Deluxe Edition) | 
| 1984 | Mass Market Paperback | The X Factor | 
| 1981 | Mass Market Paperback | The X Factor |