Already seen “Indiana Jones and the Kingdom of the Crystal Skull” and hankering for more archaeological derring-do? How about the next best thing—a chat with fantasy and action-adventure novelist JAMES ROLLINS, author of the official novelization of the film? Rollins, known for such thrillers as “Black Order” and “The Judas Strain,” discusses and signs the “Crystal Skull” adaptation at 7:30 p.m. tonight at Wordsmiths Books in Decatur. 404-378-7166. www.wordsmithsbooks.com.