Halo: Combat Evolved: Sybex Official Strategies & Secrets
From Halopedia, the Halo wiki
What makes Radcliffe's book unique among the many strategy guides available is that it contains Halo Story Bible canon information. So not only is it a good source for tips and tricks, but it also offers Bungie approved insights into the Halo Universe.
Survive a two-on-one battle against Hunters, assist the Marines at the Assault on The Control Room, thwart the Covenant, and successfully capture the flag on Blood Gulch. Halo, the world's best action game, blasts onto the PC, and this book is your indispensable guide to every aspect of the vast Halo universe. Written with the full collaboration of Bungie Studios, Gearbox, and Microsoft Game Studios, this guide is packed with invaluable strategies, behind-the-scenes information, and winning tactics straight from the experts. Inside you'll find: