87 years old (Born on August 12, 1937)
A National Book Award-winning author of young adult novels, he is best known for Fallen Angels, a book unique among others in its genre for its use of adult language and its realistic portrayal of war. This book, as well as two of his other novels--Hoops (1981) and Fast Sam, Cool Clyde and Stuff (1975)-- appeared, at one point, on the ALA's list of banned books.