From the back of the book:
"Wracked for centuries by civil wars, House Marik's Free Worlds League has endured by virtue of the tenacity and diversity of its people. Now, led by the strongest Captain-General in half a millennium, House Marik has stretched its wings, pushing the shadows of its influence across the Inner Sphere. Both by its revitalized military and an economic might that challenges even the ages-old dominance of House Steiner, the eagle soars proudly, as do the people who wave its banner.
The second in a new, dynamic Classic BattleTech series, Handbook: House Marik compiles the crucial history, politics and cultures of the Inner Sphere's first Great House. More than just a sourcebook, Handbook: House Marik includes rules for both Classic BattleTech and Classic BattleTech RPG campaigns, including new support vehicles, creatures, personal weapons, life paths and more!"