Jack (Jay) Vandiver Jr., like many World War II veterans, has been reluctant to relive the horrible memories of his experiences — Normandy, the Battle of the Bulge, the liberation of the Nazi concentration camp at Dachau, Germany, among others. The North Hall County resident, 94, more recently has opened up, and he has enough stories to fill a book. “I wanted to keep it a secret for a long time,” he said.