The Name of this Book is SECRET, by Pseudonymous Bosch

First thing's first, you must not open this book. I mean it! It's contents are sooooo secret, that even the name of this book is a secret. So don't open it!

Anyway, why would you want to get caught up in an adventure that involved a missing magician’s diary and a deadly secret? -- Which you’re not supposed to know about! You won't tell anyone will you? Because I'll get into awful trouble. Well, if you promise not to tell anyone of your adventure and make sure to keep the name of this book an absolute SECRET, then I guess you could have a little peek...