This hardcover book, titled "Killing Reagan: The Violent Assault That Changed a Presidency" is a must-read for fans of biography and history. Written by Bill O'Reilly and Martin Dugard, this book is part of the Bill O'Reilly's Killing Ser. and published by Holt & Company, Henry. The 320-page book, with a length of 9.5 inches, a width of 6.4 inches, and a height of 1.2 inches, is a detailed account of the violent assault on President Reagan and how it changed his presidency. The book is illustrated and written in English. It was published in 2015 and is not a textbook. The book is perfect for those interested in the United States' 20th-century history and presidents and heads of state.