Book 1

Earth X

by Alex Ross, Jim Krueger, John Paul Leon
January 1st, 2006
English
Paperback
Edition: 2nd

Book 2

Universo-X

by Jim Krueger, Alex Ross
December 1st, 2012
Spanish
Paperback

Book 3

Paraíso-X

by Jim Krueger, Alex Ross
December 1st, 2013
Spanish
Paperback