Robert Rapoza Books in Order

Nick Randall joins a research team studying the Nazca Lines, only for his colleagues to vanish after a massive sandstorm. Searching for them, he discovers something unknown lurking beneath the sands and must attempt a dangerous rescue.

Archaeologist Nick Randall and his bioengineer son John face separate threats that draw them toward a mysterious woman in Bermuda. Their search must resolve a dangerous connection between an unknown tribe, experimental medicine, and plans for a devastating weapon.

An archaeological team's disappearance sends Nick Randall and his daughter Samantha into the Argentinian jungle searching for a relic. When its legends become a threat to Sam, Nick follows clues through European cathedrals and the Vatican to save her.

Nick Randall disappears while searching the Amazon for the lost city of Vilcabamba. His estranged archaeologist daughter Samantha must decide whether to seek him, unaware that a powerful rival intends to turn the city's secrets into a weapon.

A murder at Mount Vernon leads Nick Randall and his son to a hidden Washington manuscript and an extraordinary relic. A mercenary's pursuit turns their investigation of Revolutionary history into a struggle to prevent a new international catastrophe.

Former Marine Raider Jake Stone joins a covert effort to stop attacks on American democratic institutions. As he pursues an enemy the intelligence agencies cannot contain, evidence of a government conspiracy forces him to question who can be trusted.

The abduction of his former mentor draws Nick Randall into a search linked to the Fountain of Youth. Following an ancient artifact across continents, he confronts a biological secret whose promise of longer life attracts people willing to kill for it.