Halo: Escalation is a 24-book series with 24 primary works first released in 2014 with contributions by Chris Schlerf, Brian Reed, and Duffy Boudreau.
#1-6 of 24 in Halo: Escalation
2014 • 1 Reader • 152 pages
#19-24 of 24 in Halo: Escalation
2016 • 1 Reader • 144 pages