After Marco's betrayal, Jack McKinley and his friends must face their own demons and engage in a battle with foes long gone.

"The Select set off on a final, epic adventure to the Temple of Artemis at Ephesus and the Lighthouse of Alexandria in order to unearth the last missing Loculi...It's a race against the end of times in the thrilling conclusion of the New York Times bestselling Seven wonders series from master storyteller Peter Lerangis" (Book jacket).

Profiles seven notable asteroids, comets, and meteors, including the Ceres asteroid, Ganymede, the largest of a group of asteroids known as Earthgrazers, Halley's comet, the Borealis Basin, the Kuiper belt, and the Perseid meteor shower.

Follow the threads of history back to ancient times. Two Atlantean princes, Karai and Massarym, obsessed with power and terrified of the mysterious Loculi, turn against each other in a bitter rivalry. With the future of the world at stake and nowhere to turn for guidance, the fourteen-year-old brothers choose fear over trust, deception over truth, and violence over brotherhood, and they change the course of history forever.

"Learn about the seven wonders of the United States: The Everglades, Glacier point: Yosemite National Park, Grand Canyon, Mississippi River, Mount McKinley: Denali National Park, Niagara Falls and Redwood Forest"--