X-Men Milestones is a 15-book series first released in 1980 with contributions by Chris Claremont, John Byrne, and 8 others.
1983 • 1 Reader • 200 pages • 4
1983 • 1 Reader • 3
2008 • 1 Reader • 340 pages • 3
2010 • 1 Reader • 4
2010 • 1 Reader • 3
2019 • 1 Reader • 488 pages • 2
2011 • 5 Readers • 3
2012 • 504 pages
2008 • 3 Readers • 368 pages • 4
1996 • 1 Reader • 256 pages
1980 • 56 Readers • 200 pages • 3.9
2001 • 1 Reader • 272 pages
1992 • 6 Readers • 224 pages • 4.5
2010 • 4 Readers • 448 pages • 3