58 books in series
Halo
Halo is a 61-book series with 58 released primary works first released in 2001 with contributions by Eric S. Nylund, William C. Dietz, Alexandra Adornetto, Joseph Staten, Tobias S. Buckell, Frank O'Connor, Jonathan Goff, Robert McLees, Karen Traviss, Kevin Grace, Eric Raab, Fred Van Lente, Tessa Kum, Jeff VanderMeer, B.K. Evenson, Robt McLees, Greg Bear, John Shirley, Matt Forbeck, Peter David, Troy Denning, James Swallow, Kelly Gay, Christie Golden, Morgan Lockhart, John Jackson Miller, Brian Reed, Cassandra Rose Clarke, Lee Hammock, Jay Faerber, Brett Lewis, Duffy Boudreau, Chris Schlerf, Various, and Brian Michael Bendis.
| #1 |  Halo: The Fall of Reach
| 4 | 75 reads | ||
| #2 |  Halo
| 3.17 | 68 reads | ||
| #3 |  Hemel
| 4.4 | 9 reads | ||
| #4 |  Halo: Ghosts of Onyx
| 4.14 | 10 reads | ||
| #5 |  Halo : Contact Harvest
| 3.76 | 28 reads | ||
| #6 |  Halo: The Cole Protocol
| 3.92 | 25 reads | ||
| #7 |  Halo Halo: Evolutions - Essential Tales of the Halo Universe
| 3.82 | 14 reads | ||
| #7.1 |  Halo: Evolutions Volume I
| 0 | 1 read | ||
| #7.2 |  Halo: Evolutions, Volume II
| 0 | 0 reads | ||
| #9 |  Halo: Primordium
| 3.75 | 20 reads | ||
| #10 |  Halo: Silentium
| 3.75 | 31 reads | ||
| #11 |  Halo: Glasslands, Volume 11: Book One of the Kilo-Five Trilogy
| 0 | 1 read | ||
| #12 |  Halo : the Thursday War Book Two of the Kilo-Five Trilogy
| 3.75 | 12 reads | ||
| #13 |  Halo: Mortal Dictata
| 3 | 8 reads | ||
| #14 |  Halo: Broken Circle
| 3.64 | 8 reads | ||
| #15 |  New Blood
| 4.33 | 12 reads | ||
| #16 |  Halo Halo: Hunters in the Dark
| 4 | 5 reads | ||
| #17 |  Halo: Saint's Testimony
| 3.83 | 7 reads | ||
| #18.1 |  Halo: Shadow of Intent
| 4.25 | 4 reads | ||
| #19 |  Halo: Fractures - Extraordinary Tales from the Halo Canon
| 4 | 4 reads | ||
| #20 |  Halo: Smoke and Shadow
| 4.75 | 6 reads | ||
| #21 |  Halo: Envoy
| 4.4 | 9 reads | ||
| #22 |  Halo: Retribution
| 4 | 10 reads | ||
| #23 |  Halo: Legacy of Onyx
| 4.5 | 6 reads | ||
| #25 |  Halo Halo: Silent Storm: A Master Chief Story
| 4.33 | 3 reads | ||
| #27 |  Halo: Oblivion: A Master Chief Story
| 4 | 1 read | ||
| #28 |  Halo: Shadows of Reach
| 4 | 4 reads | ||
| #29 |  HALO: Battle Born
| 4 | 2 reads | ||
| #30 |  Halo: Meridian Divide
| 4 | 2 reads | ||
| #31 |  Halo: Point of Light
| 5 | 4 reads | ||
| #32 |  Halo: Divine Wind
| 4.67 | 5 reads | ||
| #33 |  Halo: The Rubicon Protocol
| 3.67 | 3 reads | ||
| #35 |  Halo: Epitaph
| 4 | 4 reads | ||
 Halo: Escalation #11
| 0 | 0 reads | |||
 Halo: Escalation #12
| 0 | 0 reads | |||
 Halo: Escalation #13
| 0 | 0 reads | |||
 Halo: Escalation #14
| 0 | 0 reads | |||
 Halo: Escalation #15
| 0 | 0 reads | |||
 Halo: Escalation #16
| 0 | 0 reads | |||
 Halo: Escalation #17
| 0 | 0 reads | |||
 Halo: Escalation #18
| 0 | 0 reads | |||
 Halo: Escalation #19
| 0 | 0 reads | |||
 Halo: Escalation #20
| 0 | 0 reads | |||
 Halo: Escalation #21
| 0 | 0 reads | |||
 Halo: Escalation #22
| 0 | 0 reads | |||
 Halo: Escalation #23
| 0 | 0 reads | |||
 Halo: Escalation #24
| 0 | 0 reads | |||
 Halo: Escalation Volume 1
| 0 | 2 reads | |||
 Halo: Escalation Volume 2
| 0 | 1 read | |||
 Halo: Escalation Volume 3
| 0 | 1 read | |||
 Halo: Escalation Volume 4
| 0 | 1 read | |||
 Halo: Initiation #1
| 0 | 0 reads | |||
 Halo: Initiation #2
| 0 | 0 reads | |||
 Halo: Initiation #3
| 0 | 0 reads | |||
 Halo: Initiation
| 3 | 2 reads | |||
 Halo: Escalation #10
| 0 | 0 reads | |||
 Halo: Escalation #9
| 0 | 0 reads | |||
 Halo: Escalation #8
| 0 | 0 reads | |||
 Halo: Escalation #7
| 0 | 0 reads | |||
 Halo: Escalation #6
| 0 | 0 reads | |||
 Halo: Escalation #5
| 0 | 0 reads | |||
 Halo: Escalation #4
| 0 | 0 reads | |||
 Halo: Escalation #3
| 0 | 0 reads | |||
 Halo: Escalation #2
| 0 | 0 reads | |||
 Halo: Escalation #1
| 0 | 0 reads | |||
 Halo: Legacy Collection
| 0 | 1 read | |||
 Halo: Tales from Slipspace
| 0 | 1 read | |||
 Halo Graphic Novel
| 3.6 | 9 reads |