Two eleven-year-old misfits try to solve the mystery of a dead magician and stop the evil Dr. L and Ms. Mauvais, who are searching for the secret of immortality.

"Cass's mom has been kidnapped by the sinister chocolatier Señor Hugo! Can Cass and Max-Ernest discover the evil ingredient before it's too late?"--Cover [p. 4].

"Thirteen-year-old Clay, a boy who no longer believes in magic, tags graffiti on his classroom wall and, as punishment, is sent to a camp for wayward kids located on a volcanic island, where eccentric campmates abound, a ghost walks among the abandoned ruins of a mansion, and a dangerous force threatens to erupt with bad magic"-- Provided by publisher.

In this mystery story that features interactive puzzles, activities, games, and choose-your-own-adventure scenarios, the reader is led through the steps of writing a book.

"Eight-year-old aspiring magician Oliver and his rabbit sidekick Benny must solve a mysterious robbery to save their act"--