He's written a further compilation of his works in a book titled "Understanding Privacy": http://www.amazon.com/Understanding-Privacy-Daniel-J-Solove/...

It's a great read, and includes a section on the 'nothing to hide' fallacy

He also discussed some of his ideas in this article in the Chronicle of Higher Education in 2011: http://chronicle.com/article/Why-Privacy-Matters-Even-if/127... .