Available in mid-September 2026

The crisis has passed, but the mystery of the Source is far from over.

When a scientific team from the Mesoamerican Archaeological Research Institute travels to the ancient Maya city of Toniná, new evidence suggests that the planetary network discovered in The Source remains active—and that Mesoamerica may contain another crucial piece of its forgotten history.

Joining the expedition is Chris Whiting, a brilliant young researcher still searching for answers about his grandmother, Christina, and the extraordinary events that changed his family forever. At Toniná, the team discovers an ancient codex and evidence of a hidden system extending far beyond a single archaeological site.

But they are not alone. Helios, the powerful corporation working alongside the expedition, has its own agenda. As scientific data is manipulated, equipment is compromised, and increasingly violent disturbances strike the region, the researchers realize that someone is willing to risk lives—and destabilize forces they barely understand—to control what lies beneath the ancient ruins.

Moving from Mexico into Guatemala and the depths of Lake Atitlán, Echo of the Source is a science and archaeological thriller about ancient knowledge, corporate ambition, human loyalty, and a planetary system whose purpose humanity is only beginning to understand.