找了一下，官方的小说列表如下，我还差不少：
This is a list of all of the novels:

Halo: The Fall of Reach, this book explains what happened before Halo: Combat Evolved and Master Chief's origins with the SPARTAN-II Program. By Eric Nylund.
Halo: The Flood, the novelization of Halo: Combat Evolved by William Dietz. The Flood also features several side stories.
Halo: First Strike, this book fills in the gap between Halo: Combat Evolved and Halo 2. By Eric Nylund.
Halo: Ghosts of Onyx, the book follows Kurt-051 and the training of the Spartan-IIIs on Onyx. By Eric Nylund.
Halo: Contact Harvest, features the events leading up to the Human-Covenant War. By Joseph Staten.
Halo: The Cole Protocol, by Tobias S. Buckell, the book introduces Gray Team and shows Jacob Keyes' backstory.
Halo: Evolutions, by several critically acclaimed authors, the novel is made up of a collection of short stories relating to the Halo Universe.
Halo: Broken Circle - An novel released on the 14th of November 2014. It was written by John Shirley.
Halo: New Blood - A short novella written by Matt Forbeck, and released on the 3rd of March, 2015.
Halo: Hunters in the Dark - A novel written by Peter David, and released on the 16th of June, 2015.
Halo: Saint's Testimony - A digital novella written by Frank O'Connor, and released on the 17th of July, 2015.
Halo: Last Light - A novel written by Troy Denning, and released on the 7th of September, 2015.
Halo: Shadow of Intent - A novella written by Joseph Staten, and released on the 7th of December, 2015.
Halo: Fractures - Extraordinary Tales from the Halo Canon is an anthology containing several short stories set in the Halo universe.
Halo: Smoke and Shadow - A novel written by Kelly Gay. It was released on November 28, 2016.
Halo: Envoy - A Halo novel written by Tobias Buckell, which released on April 25, 2017.
Halo: Retribution - A Halo novel written by Troy Denning, which released on August 29, 2017.
Halo: Legacy of Onyx - A Halo novel written by Matt Forbeck, which was released on November 14, 2017.
The Forerunner Saga
Halo: Cryptum
Halo: Primordium
Halo: Silentium
Kilo-Five trilogy
Halo: Glasslands
Halo: The Thursday War
Halo: Mortal Dictata
【 在 mdkkurt (无畏) 的大作中提到: 】
: 头三部曲肯定有，第四部奥星幽灵应该也有，好像是一个xbox-skyer站友翻译的，后续我就不太清楚了，我基本上都是啃的原著，倒是也不算太困难，毕竟只是个小说
: 看了一下，大概分为这么几个阶段：
: 经典三部曲：first strike, the fall of reach, flood
: ...................
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