The fourth book in the epic saga of humankind's war of transcendence

Humanity had appeared to fend off the Sh'daar assault once and for all, though they never learned why the alien empire was driven to halt Earth's advancement toward technological Singularity.

But in this war of worlds, victory is always elusive. And now a new battle begins.

After 20 years of peace, not one but two fragile truces are unraveling.

Center of Gravity is the second book in the explosive Star Carrier series by Ian Douglas—and a breathtaking new high in military sf, the strongest of the science fiction subgenres. Battlestar Galactica fans will adore this saga of ultimate war in deep space, as humankind risks its very future, battling a vast alien evil empire in order to achieve transcendence and become a major power in the universe. Douglas's Center of Gravity belongs on