J&P Voelkel Books in Order

When his archaeologist parents vanish in Central America, fourteen-year-old gamer Max Murphy joins resourceful Maya girl Lola to find them. Their rainforest search leads into ancient secrets and a struggle against the Death Lords threatening his family and the world.

Max Murphy and Lola follow the conquistadors' trail to Spain in search of the Yellow Jaguar Stone. Pursued by hellhounds and Count Antonio de Landa, they confront betrayal and hidden histories while trying to outwit the Maya Death Lords.

An attack in Venice convinces Max Murphy that the Death Lords still want him, sending him back to Central America. Reunited with Lola and their howler monkey allies, he journeys along the dangerous Monkey River as a hurricane approaches.

With his parents imprisoned, Max Murphy is ordered by the Death Lords to expose a rival king claiming possession of the Jaguar Stones. Max and Lola travel from Central America through New Orleans toward a lost city along the Mississippi.