Audiobook 7
Halo: Evolutions (Unabridged)
Various
Audiobook 8
Halo: Cryptum (Unabridged)
Greg Bear
Audiobook 9
Halo: Primordium (Unabridged)
Greg Bear
Audiobook 10
Halo: Silentium (Unabridged)
Greg Bear
Audiobook 37
Halo: Official Spartan Field Manual (Unabridged)
Kenneth Peters & Kiel Phegley
Audiobook 38
Halo: Edge of Dawn (Unabridged)
Kelly Gay
Audiobook 39
Halo: Waypoint Chronicles (Unabridged)
Jeff Easterling & Alexander Wakeford
Audiobook 40
Halo: Parasite's Wake (Unabridged)
Tim Lebbon