After thirteen-year-old Tucker Feye's parents disappear, he suspects that the strange disks of shimmering air that he keeps seeing are somehow involved, and when he steps inside of one he is whisked on a time-twisting journey trailed by a shadowy sect of priests and haunted by ghostlike figures.

"Exiled to live as a Low, sixteen-year-old Conrad refuses to become heir to his murderous uncle. But Meritocracy is a harsh and unforgiving rule on the floating island of Holmstead, and when his ailing mother is killed by monstrous gorgantauns, Conrad cuts a deal to save the only family he has left. To rescue his sister from his uncle's clutches, Conrad must enter the Selection of the Twelve Trades"--

When the klutzy Amy Audrey Perkins is as good as gold at Aunt Linda's wedding her relatives are so surprised that they have an accident.

Struggling with grief over her uncle's death, twelve-year-old amateur astronomer Tuesday Beals makes a discovery that could save her favorite astronomy spots in Zion National Park from the threat of a new housing development.

Seventeen-year-old Evie O'Neill is thrilled when she is exiled from small-town Ohio to New York City in 1926, even when a rash of occult-based murders thrusts Evie and her uncle, curator of The Museum of American Folklore, Superstition, and the Occult, into the thick of the investigation.

Darkus Cuttle has taken care of his father ever since his mother died, but one day his father vanished from a locked vault at the Natural History Museum, and now he lives with his eccentric uncle--but one day he finds a large and unusually intelligent and self-aware beetle, and soon he and his two friends are caught up in a struggle to protect an intelligent super species of beetles.