Set in the early years after the fall of the Word of Blake and the rise of the Republic of the Sphere, this book is designed to provide players a global view of the post-Jihad universe, and provide a detailed look at the organization and strengths of its newest faction: The Republic of the Sphere.

Provides an "end cap" summary of one of the most epic periods in the history of BattleTech: the Jihad.

Meshes with the recently published Jihad: The Final Reckoning, which describes the final actions of the war and the birth of The Republic that will influence so many future events.

Meshes with the upcoming Field Manual: 3150 sourcebook, planned to flesh-out the Dark Age Era.
Establishes the post-Jihad setting as a period where role-players and war game campaigns may be set, by providing additional rules and tables for the setting.