Continuing its mission to present literary events throughout the year, the AJC Decatur Book Festival has announced an appearance by Erik Larson, a best-selling author and National Book Award finalist for "The Devil in the White City." Larson will read and sign his new book, "Dead Wake: The Last Crossing of the Lusitania" at 7 p.m. on April 2 at SCADshow (formerly 14th Street Playhouse), 173 14th St., Atlanta. Tickets are $30 per person or $35 per couple, and includes one copy of the book, available through A Cappella Books, 208 Haralson Ave., Atlanta. For information call 404-681-5128