Earth X

Earth X Wizard Special Edition (1997)
Earth X Sketchbook (1999)
Earth X (1999-2000)

Earth X ½ (2000)

Universe X Sketchbook (2000)
Earth X no.X (2000)
Universe X (2000-2001)
Universe X: 4 (2000)
Paradise X Special Edition (2001)
Universe X: Spidey (2001)
Universe X: Cap (2001)
Universe X Omnibus (2001)
Universe X: Beasts (2001)
Universe X: Iron Men (2001)
Universe X no.X (2001)
Paradise X: Heralds (2001-2002)
Paradise X (2002-2003)
Paradise X: Xen (2002)
Paradise X: Devils (2002)
Paradise X: Ragnarok (2003)
Paradise X: A (2003)
Paradise X: X (2003)
The Official Handbook of the Marvel Universe: Alternate Universes 2005 (2005)