Waffle House (June 26, 2011 - and most every Sunday thereafter)
Not a book signing, or even an appearance in any literary capacity; just eating some waffles.
Publix Supermarket (Dates TBD)
Weekly grocery shopping; no literary connection, although I do occasionally purchase the latest issue of "People."
Barnes & Noble Bookstore, Atlanta, Georgia (Date TBD)

I'm thinking of buying Mark Twain's memoirs; however, I may change my mind and go with something more current.

Upcoming Appearances