Relive the gripping, noir-esque launch of Peter David's most memorable concept: X-Factor Investigations! Jamie Madrox sets up a detective agency in the heart of Mutant Town...but with so many duplicates out in the world, who is the real Madrox? Does he even know anymore? Then, when the fallout from the House of M depowers most of the world's mutants, X-Factor must find answers fast! With Guido, Wolfsbane, Siryn, M and Rictor by his side, and joined by the stuff -knowing Layla Miller, Madrox must take on the manipulati ve prescient Mr. Tryp's rival group Singularity Investigations, navigate a superhuman Civil War, learn why the X-Men lied to his team, deal with the unbalanced Quicksilver's new ability to reboot mutant powers for a price...and discover the deadly traitor in X-Factor's midst!