1st printing. In the now-grand tradition of Hero Initiative's previous and wildly successful "100 Project" books, Marvel's merry mutants now come to the fore! All of Hero's 104 original covers to Marvel Comics' Uncanny X-Men #12 are on display in this great book! Art by John Cassaday, Alan Davis, Dale Keown, Adam Kubert, George Pérez, John Romita, Sr., Joe Sinnott, Daniel Acuna, Rafael Albuquerque, Natasha Allegri, Kristin Allen, Kaare Andrews, Chris Bachalo, John Beatty, J Bone, Brett Breeding, Dan Brereton, Tom Brevoort, David Bullock, Jim Calafiore, Daniel Campos, Giuseppe Camuncoli, Victor Castro, Ron Chan, Mike Choi, Ryan Cody, Clayton Crain, Carmine Digiandomenico, Terry Dodson, Mark Dos Santos, Rich Ellis, Sean Forney, Cat Farris, Tony Fleecs, Autumn Fredrickson, Jenny Frison, Agnes Garbowska, Chris Giarrusso, Benjamin Glendenning, Bob Hall, Gabriel Hardman, Fred Hembeck, Phil Hester, Jamal Igle, Chris Ivy, Nikkol Jelenic & Mark McKenna, Phil Jimenez, Drew Johnson, Dan Jurgens, Joe Jusko, Sam Kieth, Scott Koblish, Rich Koslowski, Peter Krause, Steve Kurth, Andy Kuhn, Bob Larkin, Ken Lashley, Pamela Lovas & Derek Fridolfs, Rick Leonardi, Steve Lieber, Joseph Michael Linsner, David Mack, Jose Marzan, Jr., John McCrea, Mark McKenna, Yehudi Mercado, Al Milgrom, Jorge Molina, Chris Moreno, Bill Morrison, Marat Mychaels, Todd Nauck, Mike Norton, Michael Avon Oeming, Jerry Ordway, Tom Palmer, Tony Parker, Pere Perez, Mike Perkins, Khoi Pham, Whilce Portacio, Gordon Purcell, Tom Raney, Paolo Rivera, Darick Robertson, Tone Rodriguez, Scott Rogers, Craig Rousseau, Chris Samnee, Alex Saviuk, Stuart Sayger, Valerio Schiti, Tim Seeley, Bill Sienkiewicz, Joe Sinnott, Skinner, Andy Smith, Aaron Sowd, Joe Staton, Ty Templeton, Herb Trimpe, Jim Valentino, and Nate Van Dyke. Softcover, 152 pages, full color.