Overlords and humanity battle to claim Earth in a war as old as the alien domination of the planet. Yet with each new offensive comes stunning new revelations--exposing mysteries that were unfathomable before Skydark but are now quite real and deadly. Still, hope lies in the brilliant counteroffensive led by the Cerberus rebels, for whom success means nothing less than returning Earth to mankind. An exotic combination of reptilian and human DNA, the...