PHILIPPA GREGORY, New York Times best-seller and author of The Other Boleyn Girl, visits Agnes Scott College to present her new book, The White Queen. Told from the perspective of Elizabeth Woodville, a commoner who marries the newly crowned king, The White Queen centers itself in family dramas and social ambitions. Amid her queenly obligations, Elizabeth must also try to solve the mystery of the missing princes in the Tower of London. Free. 7:30 p.m. Presser Hall, 141 E. College St., Decatur. 404-370-8450. www.georgiacenterforthebook.org.