Discover Little Known Stories of Indiana History! Captivating Little Known True Stories are sure to Entertain. This book may just inspire Your next Road Trip! Did You Know? The largest national monument outside of Washington DC is located in Indiana? - Sodoku was Invented by a man from Indiana? - One of America's 1st Female Serial Killers called Indiana Home? These and many more stories of Indiana's past are explored in History in the Heartland Volume 4: Indiana Stories!