Hayward is the author or editor of eight books of non-fiction, including "Stopped at Stalingrad: The Luftwaffe and Hitler’s Defeat in the East 1942-1943" (1998 and subsequent editions). An assessment of aerial warfare at the Battle of Stalingrad, "Stopped at Stalingrad" was acclaimed upon its release. "The Readers Guide to Military History" describes the book as "a magnificently researched study … provides the best available account of the disastrous Stalingrad airlift." The book is "an advanced and exhaustive work that will become a standard in the field once it is better known." It was favorably reviewed in, amongst other places, the "Times Literary Supplement" and the journal "War in History". In 2015, Hayward published the first Polish translation of this book as "Zatrzymani pod Stalingradem: Klęska Luftwaffe i Hitlera na wschodzie 1942-1943".