April 11 • 3-4 p.m. on WAAM • Ann Arbor

Eminent historian Diana Preston will introduce her new book, A Higher Form of Killing, published by Bloomsbury Press, about events on the battlefield (use of poison gas), the high seas (the Lusitaniasinking and unrestricted submarine attacks) and home front (Zeppelin bombings of cities and towns) in the spring of 1915 that changed warfare forever.