We're not the only ones who think Betty White's new book, If You Ask Me (And of Course You Won't), is a must read for May. Robert Pattinson endorsed the memoir with a blurb on its back cover, calling Betty "one of the sexiest women in America." Today on Good Morning America, the 89-year-old sex symbol talked about her ongoing career and how she managed to write her book — by hand! Watch it now.