Halo 2 manual

The  is a guide to Halo 2 that comes in the basic package.

Cortana's Transmission
The first part is a transmission from Cortana that is essentially an overview of the story of Halo: Combat Evolved.

Overview of Covenant Species
This section shows intel the UNSC has on Grunts, Elites, Hunters, Drones, Brutes, Jackals, and Prophets.

UNSC Weapons
The section about UNSC weaponry covers the basics about all Human weapons from the M6C Magnum to the M41 LAAG.

Covenant Weapons
The Covenant weapons part has several sentences about all known Covenant weapons such as the Energy Sword, Plasma Pistol, and Brute Shot.