Diablo is a 12-book series with 12 primary works first released in 2001 with contributions by Richard A. Knaak, Jan Netolička, and 9 others.
2001 • 10 Readers • 351 pages • 2.5
2004 • 1 Reader • 2
2011 • 4 Readers • 148 pages • 3
2012 • 3 Readers • 288 pages