"Welcome to the second edition of Glorantha: The Second Age.
This book has several purposes:
X To introduce Glorantha to new RuneQuest players and to
reintroduce it to old hands…
X To articulate the magical world of Glorantha as completely
as possible…
X To provide the essential rules necessary for creating
Gloranthan characters and hosting adventures within the
Second Age of the world."

Text from the introduction page of the book.