Bill Adler is the editor and author of four "New York Times" bestsellers, including "The Kennedy Wit, " the bestselling quote book about John F. Kennedy that invented a literary genre. His books have sold millions of copies all over the world. Other quote books by Bill Adler include collections about Oprah Winfrey, Princess Diana, Bill Cosby, David Letterman, Jay Leno, Ronald Reagan, Bill Clinton, Bill Gates, and Warren Buffett.