If you're going to be in the D.C. area tomorrow, be sure to check out the seventh annual National Book Festival. It's free and open to the public, and will feature such Wordcandy-approved authors as M.T. Anderson, Diane Ackerman, Holly Black, Cynthia Leitich Smith, and Gail Carson Levine. The whole thing promises to be a very good time, and Wordcandy staff member Megan will be there! So if you see a confused-looking brunette wandering around clutching a press pass like a talisman, just gently point her in the direction of Terry Pratchett, okay?