"Contains material originally published in magazine form as Uncanny X-Men #376-377, Cable #73-76, X-Men #96-97, Wolverine #146-147 and X-Man #59"--Vol. 1, indicia.
"Contains material originally published in magazine form as X-51 #8, Uncanny X-Men #378 and annual 1999, Cable #77, Wolverine #148, X-Men unlimited #26, X-Men #98 and X-Men: search for Cyclops #1-4"--Vol. 2, indicia.
v. 1. The Twelve
v. 2. The ages of Apocalypse.
X-Men vs. Apocalypse. ISBN 9780785122647. Published by Marvel Publishing in 2008. Publication and catalogue information, links to buy online and reader comments.