Beyond his roots in Oak Park, a few war stories and tales of his time in Key West, how much do you really know about Ernest Hemingway the man?  In his new book Hidden Hemingway: Inside the Ernest Hemingway Archives of Oak Park, Robert Elder and his co-authors reveal some of the lesser-known stories and history about Hemingway cobbled together from items in his archives like family photos, teenage diaries, bullfighting tickets love letters and 100-year-old musical compositions from his mother Grace Hall Hemingway.