Associated Press
Gregory Peck is shown as attorney Atticus Finch, a small-town Southern lawyer who defends a black man accused of rape, in a scene from the 1962 movie "To Kill a Mockingbird."

When Harper Lee announced this month that the sequel to the novel "To Kill a Mockingbird" is coming out on July 14, the literary world exploded with surprise and anticipation.

"To Kill a Mockingbird" was just one of a plethora of classic American books that many read in high school. From F. Scott Fitzgerald's "The Great Gatsby" to John Steinbeck's "Of Mice and Men" to Arthur Miller's "Death of a Salesman," these books take us straight back to our high school English and American literature classes and to nostalgic memories of those books forever sitting in our backpacks.

Settle in your desks and check out the 21 classic books that we're guessing you had to read in high school here.