Authors James Donovan, The Blood of Heroes: The 13-Day Struggle for the Alamo - and the Sacrifice that Forged a Nation, Stephen Harrigan, The Gates of the Alamo, and Michael Wallis, David Crockett: The Lion of the West, talked about the Battle of the Alamo. They spoke at the 2013 Tucson Festival of Books, which took place on the campus of the University of Arizona on March 9-10, 2013.