Bridgebell, a humble rabbit with secret artistic magic, becomes the target of exploitative adversaries, who look to turn her art into a weapon.

The story of the Keyhouse, a New England mansion, with doors that transform all who walk through them...and home to a hate-filled and relentless creature that will not rest until it opens the most terrible door of all.

"Determined to show Ronnie just how interesting prehistoric life was BEFORE the age of the dinosaurs, Miss Lernin takes her back in time to the six parts of the Paleozoic era to study the earliest lifeforms on Earth, starting with the rise of the vertebrates"--

Ms. Lernin, a retired paleontologist, helps fifth-grader Ronnie study for a quiz on dinosaurs by taking her on a guided tour of the Mesozoic Era.

Following a shocking death, Kinsey and Tyler Locke turn to their new friend, Zack Wells, for support, little suspecting Zack's dark secret. Meanwhile, six-year-old Bode Locke tries to puzzle out the secret of the head key, and Uncle Duncan is jarred into the past by a disturbingly familiar face.