Suspecting their friend Jonathan is alive, Flavia, Nubia, and Lupus go to Rome for the Colosseum Games, facing wild beasts, criminals, conspirators, and gladiators, and where Nubia is called upon to make a terrible choice.
A ragged stranger and the prospect of losing her family's fortune lead Flavia Gemina and her friends, Jonathan, Lupus, and Nubia to a seaside villa where possible danger and treasure are close at hand.
Jonathan and his friends are called to Rome by the emperor in the winter of 80 A.D. to find the new Prometheus believed to have brought an epidemic to the city, but Jonathan, obsessed with reuniting his parents, makes some unwise--and life-threatening--choices.
A mysterious stranger visits the island where Simon and his sister Ellen live, bringing with him an unexpected storm and a riddle that may lead to treasure.
Lifeguard Clay Gibson tries to clear his friend's name when he is suspected of stealing forty thousand dollars from the water park for which they work.
Farm boy Homer faces another challenger for his uncle's spot in the society of Legends, Objects, Secrets, and Treasures but Dog's hidden ability to smell treasure guides the duo as clues lead them to fantastic mansions and hidden islands.
Fifteen-year-old Lydia is thrilled when Megan and her brother, Sam, move in across the street, but their over-protective and hostile mother does not want the kids to hang out with Lydia, who thinks the whole family might be hiding a secret.
The Trackers, a team of tech-savvy kids, with a cache of wireless surveillance gear and mad coding skills, set out to find Shantorian, the world's most dangerous hacker. Includes a link to a Web site with related videos and clues.
