If you're reading this, it's too late /
Pseudonymous Bosch ; illustrations by Gilbert Ford.
- New York : Little, Brown, 2008.
- 385 p. : ill. ; 20 cm.
Sequel to: The name of this book is secret.
Cass and Max-Ernest discover the Museum of Magic, unscramble more coded messages, and solve new mysteries in their attempt to thwart the Terces Society's ambitions of discovering immortality.