Literature

Novels

 * The Fall of Reach
 * The Flood
 * First Strike
 * Ghosts of Onyx
 * Contact Harvest
 * The Cole Protocol
 * Forerunner Trilogy

Comics

 * Uprising
 * Helljumper
 * Spartan Black
 * Genesis
 * Graphic novel
 * The Cradle of Life

Other Media

 * Art of Halo
 * Art of Halo 3
 * Halo Encyclopedia
 * Halo Movie