I joined Goodreads a few months back, and for some reason, that's motivated me to read more. Actually, I can't prove causation - only correlation. Perhaps I joined Goodreads because I wanted to read more. Or because I was reading more, I joined Goodreads.
Anyway, there is something very satisfying about marking books "read" on Goodreads. Additionally, GoodReads is a nice way to save books I want to read, instead of collecting titles on scraps of paper or in my email.
There's no real relation to cognitive science, as my books are primarily mid-list women's fiction, with an occasional science fiction (or even cognitive science fiction) thrown in. No mysteries, no non-fiction.
Here are the last five: