Only bad books have good endings.
If a book is any good, it's ending is always bad - because you don't want the book to end.

It was like walking into a treasure trove of books, hoarded by pirate librarians.

Generally speaking, books don't cause much harm. Except when you read them, that is. Then they cause all kinds of problems.

If I do find out the Secret,I won't be able to tell it to you-you know that right?And that doesn't mean I don't trust you.It's just because I can't.Sometimes even best friends have to keep secrets from each other."

-Cass

Why did so many grown-ups want to be young, she wondered, when it took so long to grow old? It was like going on a million-mile road trip then wanting to turn around without getting out of the car.

But remember what I said about forgetting what I said?