Kingdom of Bones

As they race to find answers, the members of Sigma quickly realize they have become the prey.To head off global catastrophe, Sigma Force must risk their lives to uncover the shattering secret at the heart of the African continent—a truth that will illuminate who we are as a species and where we may be headed .

Pe masura ce se grabesc sa gaseasca raspunsuri, membrii Sigma realizeaza rapid ca au devenit prada. Pentru a evita catastrofa globala, Sigma Force trebuie sa-si riste viata pentru a descoperi secretul zguduitor din inima continentului african - un adevar care va lumina pe cine. suntem ca specie si incotro ne putem indrepta.