Officially titled, “ARNOLD SCHWARZENEGGER THE NEW ENCYCLOPEDIA OF MODERN BODYBUILDING” aka The Bible of BodyBuilding.
Simply said, this book is a must have of over 800 pages of body building wealth of knowledge. If you search Amazon.com you can purchase this book for very cheap, especially considering the amount of knowledge you will possess once you own this book. I conducted a simple search and got a quote of $17.82, not bad ehh!?
The book has been revised so be careful to get the latest version which looks like this:

The Encyclopedia is divided into 5 “books” with individual chapters within each book. Each book covers a broad topic then the chapters address more specific topics. Within each chapter, more sub topics are outlined and covered.
Here is the break down of the BodyBuilding Encyclopedia:
BOOK 1 INTRODUCTION OT BODYBUILDING
CHAPTER 1: EVOLUTION AND HISTORY
CHAPTER 2: THE ABC’S OF BODYBUILDING
CHAPTER 3: THE TRAINING EXPERIENCE
CHAPTER 4: THE GYM
CHAPTER 5: GETTING STARTED
BOOK 2 TRAINING PROGRAMS
CHAPTER 1: BASIC TRAINING PRINCIPALS
CHAPTER 2: LEARNING YOUR BODY TYPE
CHAPTER 3: THE BASIC TRAINING PROGRAM
CHAPTER 4: ADVANCED TRAINING PRINCIPLES
CHAPTER 5: BUILDING A QUALITY PHYSIQUE: THE ADVANCED TRAINING PROGRAM
CHAPTER 6: COMPETITION TRAINING PROGRAM
CHAPTER 7: MIND OVER MATTER: MIND, THE MOST POWERFUL TOOL
BOOK 3 BODY PART EXERCISES (NO CHAPTERS LISTED, ONLY SUBJECTS)
THE SHOULDERS
THE CHEST
THE BACK
THE ARMS
BICEPS TRAINING
TRICEPS TRAINING
FOREARM TRAINING
THE THIGHS
THE CALVES
THE ABDOMEN
BOOK 4 COMPETITION
CHAPTER 1: POSING
CHAPTER 2: TOTAL PREPARATION
CHAPTER 3: COMPETITION STRATEGY AND TACTICS
BOOK 5 HEALTH, NUTRITION, AND DIET
CHAPTER 1: NUTRITION AND DIET
CHAPTER 2: WEIGHT CONTROL: GAINING MUSCLE, LOSING FAT
CHAPTER 3: CONTEST DIET STRATEGIES
CHAPTER 4: INJURIES AND HOW TO TREAT THEM
It is worth mentioning that just the sheer number of awesome photographs in the book make it a piece of historic bodybuilding art all in itself.