Halo novels

The Halo Novels are about 340 pages each and have expanded heavyly on the halo universe. There are 2 more planned novels, but so far thses are the only novels out:

• Halo: The Fall of Reach, this book explains what happened before Halo: Combat Evolved. By Eric Nylund.
• Halo: The Flood, the novelization of Halo: Combat Evolved by William C. Dietz.
• Halo: First Strike, the book explaining the Spartan programs and fills in the gap between halo 1 and halo 2. By Eric Nylund.
• Halo Box Set, the box set featuring the three first Halo Novels.
• Halo: Ghosts of Onyx, the book introducing Onyx. By Eric Nylund.

There is also:

• Halo Graphic Novel, a comic book based on the Halo Universe.
• The Art of Halo, the Halo Artists behind the scenes book.
• Halo: Combat Evolved: Sybex Official Strategies & Secrets.
• Halo 2: The Official Game Guide, the guide and straight way for becoming a better player.