Why You Are Wrong and What You Can Do About It.
You Are Wrong and You Can Change That
Who Is Least Wrong?
I think that a big fraction of the audience that the title can change from 'pass' to 'read' will respond with interest to a challenge, so telling them that they are wrong will get them to take second look.
Also, consider using the name of one of the sequences: Mysterious Answers to Mysterious Questions, The Map and the Territory, and Highly Advanced Epistemology 101 for Beginners are all catchy and intriguing, while indicating or alluding to the subject.
Quantum Computing Since Democritus got me thinking that we may want a more riveting title for The Sequences, 2006-2009 ebook we're preparing for release (like the FtIE ebook). Maybe it could be something like [Really Catchy Title]: The Less Wrong Sequences, 2006-2009.
The reason for "2006–2009" is that Highly Advanced Epistemology 101 for Beginners will be its own ebook, and future Yudkowskian LW sequences (if there are any) won't be included either.
Example options: