Having locked the Raven's gate, fourteen-year-old Matt travels to Peru where he meets the second of the five gatekeepers and works with him to try to stop the opening of a second gate somehow related to the Nazca Lines.
Evil Star (The Gatekeepers)

Anthony Horowitz (Duplicate): Evil Star (The Gatekeepers) (2008, Paw Prints 2008-04-11)
Published April 11, 2008 by Paw Prints 2008-04-11.