World War II historian James Holland will discuss his new book titled Big Week: The Biggest Air Battle of World War Ii during an Evenings at Ease program at the Eisenhower Presidential Library Tuesday evening at 7 p.m. This free program will be open to the public and will be held in the Visitors Center Auditorium.

Code-named Operation ARGUMENT, the aerial offensive is considered a turning point for the Allies in World War II. Holland’s research shows the operation in detail leading up to the D-Day invasion–June 6,1944.