This lot includes both books.

Relive the gripping, noir-esque launch of Peter David's most memorable concept: X-Factor Investigations! Jamie Madrox sets up shop 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 - as well as the stuff-knowing Layla Miller - Madrox must take on the manipulative 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! Collecting MADROX #1-5 and X-FACTOR (2006) #1-12.

As X-Factor unloads their hopes, fears and darkest secrets to Doc Samson, Jamie Madrox decides to gather up his stray dupes. The trouble is, two don't want to go quietly: the married priest and the agent of S.H.I.E.L.D.! And when Hydra comes calling, will Jamie become their secret weapon? With Mutant Town under siege thanks to the terrorist X-Cell, X-Factor races the clock to keep every former mutant from being imprisoned...what an awful time for the Isolationist to strike! Then, after the events of Messiah Complex, X-Factor is a shambles. COLLECTING: X-Factor (2006) 13-24, 28-32; X-Factor: The Quick and the Dead One-Shot; X-Factor Special: Layla Miller One-Shot