Held captive by the dangerous baron Lassigny, Will Treaty and his fearless young apprentice, Maddie, must outwit the baron with the help of their friends from home to escape.

Clementine is a lab mouse and a genius, but she's lonely. Only with Rosie, a chimpanzee who visits late at night, does she find friendship. When a lab technician frees Clementine, she discovers an outside world and goes in search of a real home--and a way to free her old friends. Clementine is different from other mice: she can calculate the speed of light and she dreams in Latin. The scientists say she's a genius and put her through test after test....

"The last thing Jacob Portman saw before the world went dark was a terrible, familiar face. Suddenly, he and Noor are back in his grandfather's house. Jacob doesn't know how they escaped from V's loop, but he does know one thing for certain: Caul has returned. Risen from the Library of Souls, Caul and his apocalyptic agenda seem unstoppable. Only one hope remains--deliver Noor to the meeting place of the seven prophesied ones, if they can decipher...