The Lost Guardian by Natalia Hernandez

After the death of his estranged grandfather, historian Santiago discovers he is the last member in a line of guardians sworn to protect the final resting place of Atahualpa, the last Incan emperor.

Dragged into a world of treasure hunters and grave robbers, Santiago must team up with beautiful and mysterious adventurer Allie Palacios to delve into the secrets of his ancestors and find the lost tomb before it's too late.

Can the pair outwit ruthless criminals, navigate dangerous terrain, and contend with the supernatural forces which stand in their path before an ancient Inca curse is unleashed upon the world?