The 13 lists have titles that grow in difficulty from the easiest to the hardest to read. They are not based on grade level, but on the difficulty of the text as determined by it's Lexile measurement. A typical interest level is included to help you choose the most appropriate book.

Addams, Jane Twenty Years at Hull-House. 13 High School (9-12)  
Alcott, Louisa May Little Women. 13 High School (9-12)  
Allen, Sture (Editor) Nobel Lectures in Literature, 1991-1995. 13 High School (9-12)  
Alvarez, Walter T. Rex and the Crater of Doom. 13 High School (9-12)  
Andric, Ivo Bosnian Chronicle. 13 High School (9-12)  
Baird, Robert (Editor) Hatred, Bigotry, and Prejudice: definitions, causes and solutions. 13 High School (9-12)  
Baldwin, James A. Fire Next Time. 13 High School (9-12)  
Banks, Russell Rule of the Bone. 13 High School (9-12)  
Buck, Pearl Synderstricker Good Earth, The. 13 High School (9-12)  
Carson, Rachel Louise Silent Spring. 13 High School (9-12)  
Conrad, Joseph Secret Sharer (Case Studies in Contemporary Criticism). 13 High School (9-12)  
Cormier, Robert Frenchtown Summer. 13 Middle School (6-8), High School (9-12)  
de Tocqueville, Alexis Democracy in America. 13 High School (9-12)  
Defoe, Daniel Moll Flanders. 13 High School (9-12)  
Earle, Sylvia A. Wild Ocean: America's parks under the sea. 13 High School (9-12)  
Eliot, George Silas Marner. 13 High School (9-12)  
Franklin, Benjamin Autobiography of Benjamin Franklin, The. 13 High School (9-12)  
Garcia Marquez, Gabriel One Hundred Years of Solitude. 13 High School (9-12)  
Haley, Alex Roots. 13 High School (9-12)  
Hawthorne, Nathaniel Scarlet Letter, The. 13 High School (9-12)  
Heyerdahl, Thor Kon-Tiki: across the Pacific by raft. 13 High School (9-12)  
Homer Iliad. 13 High School (9-12)  
Hugo, Victor Hunchback of Notre Dame, The. 13 High School (9-12)  
Kafka, Franz Metamorphosis, The. 13 High School (9-12)  
Kennedy, John F. Profiles in Courage. 13 Middle School (6-8), High School (9-12)  
Krakauer, Jon Into Thin Air. 13 High School (9-12)  
Lamb, Charles;Lamb, Mary Tales from Shakespeare. 13 Middle School (6-8), High School (9-12)  
Mann, Thomas Death in Venice. 13 High School (9-12)  
Melville, Herman Billy Budd. 13 High School (9-12)  
Melville, Herman Shorter Novels of Herman Melville. 13 High School (9-12)  
Mowat, Farley Never Cry Wolf. 13 High School (9-12)  
Oates, Joyce Carol Foxfire: confessions of a girl gang. 13 High School (9-12)  
Pyle, Howard Story of King Arthur and His Knights, The. 13 High School (9-12)  
Scott, Sir Walter Ivanhoe. 13 High School (9-12)  
Sobel, Dava Longitude: the true story of a lone genius who solved the greatest scientific problem of his time. 13 High School (9-12)  
Sutcliff, Rosemary Black Ships Before Troy: the story of the Iliad. 13 Middle School (6-8)  
Thomas, Lewis Lives of a Cell: notes of a biology watcher, The. 13 High School (9-12)  
Thoreau, Henry David Walden or, Life in the Woods. 13 High School (9-12)  
Vargas Llosa, Mario Aunt Julia and the Scriptwriter. 13 High School (9-12)