Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.Halo (Series). Characters of Halo, Factions of Halo, Halo: Combat Evolved, Halo 2, Halo 3, Halo 3 marketing, Halo Original Soundtrack, Halo 2 Original Soundtrack, Halo 3 Original Soundtrack, Halo Wars, List of Halo media, Video game, Bungie, Microsoft Game Studios, I Love Bees, Halo: Reach