Purple Heart is a historical fiction book by Patricia McCormick, published in 2009 by HarperCollins. The book is about a soldier named Private Matt Duffy, who is injured in the Iraq War and sent to a military hospital to recover. It explores themes of death, injury, and the experiences of soldiers in war. The book is in English, has 208 pages, and is in library binding format. It features an ex-library copy with a dust jacket and is part of the People & Places / Aboriginal & Indigenous, Social Themes / Death & Dying, Action & Adventure / General, Health & Daily Living / Diseases, Illnesses & Injuries, People & Places / Middle East, and Historical / Military & Wars topics.