"Shakespeare's Mature Tragedies" by Bernard McElroy is a hardcover textbook published by Princeton University Press in 1973 as part of the Princeton Legacy Library series. The book, weighing 18 oz and containing 269 pages, delves into the mature works of William Shakespeare, specifically focusing on the tragedies "Hamlet" and "Lear." Written in English, this ex-library copy offers a valuable reference for students and scholars interested in studying these iconic plays in depth.