From the back of the book:
You hold in your hands a gateway into a new realm. This manual includes important information for leading a population through the trials and tribulations of Realms of the Unknown. You will need strength, creativity, intelligence, organization, and even some luck to take your people from a society based upon sticks and stones and transform them into a thriving population advanced in technology and lifestyle.
The guidelines inside are straightforward and easy to learn. They will establish your leader, begin your journey, and even give you tips on more advanced ideas. This manual is a must for players interested in joining a game that goes beyond typical board games and role-playing games.