Ramsey's Gold — Russell Blake

When a forgotten journal materializes decades after Drake Ramsey's father vanished in the Amazon jungle, Drake decides to follow in his footsteps and search for the legendary treasure of the Inca empire hidden in the lost Inca city of Paititi. Joined by his father's lifelong friend and his beautiful daughter, the adventure takes them into the rain-forest's forbidden depths, where they must face an enemy bent on protecting a terrifying secret that could topple governments and change the world order.