From the back cover:
A Megaverse® to Explore
Rifts® is an open canvas to experience whatever tales of adventure, horror, or action you want. Anything you can imagine can become reality for you and your players. Tell your story, and tell it big!
A Brave New Reality
Heroes piloting robotic exoskeletons covered in mega armor and wielding massive rail guns can be tricky to keep up with. Don't worry, we've got your back! Expansive sections of Game Master tips, tricks, and advice—all gleaned from decades of Rifts® Game Mastering experience— are here to amp up your games and help you create memorable stories.
Open the Gate to Endless Possibilities
This book contains detailed timeline, maps, and faction information for everything happening in North America circa 109 P.A. (thats Post-Apocalyptic, to you new recruits). There are rules for generating settlements, conflict, missions, encounters, Rifts in space and time, and even the alternate realities that they lead to!
The Game Master's Handbook has everything you need to adventure on Rifts Earth. You don't have to create everything yourself, we did the work for you so you can enjoy the super-charged adventure of Rifts® with your players.