This is a compilation of fellow students' addenda, specifically to include those writers/books that received more than one mention (or that are particularly awesome, but mostly the former; particularly awesome books/writers shall be denoted by an asterisk).
In no particular order....
The Hero with a Thousand Faces by Joseph Campbell
Gabriel Garcia Marquez
Blood Meridian by Cormac McCarthy
Cathedral by Raymond Carver
Beloved by Toni Morrison
Lolita by Vladimir Nabokov
To Kill a Mockingbird by Harper Lee
The Left Hand of Darkness by Ursula K. Le Guin*
Giovanni's Room by James Baldwin
Tender Buttons by Gertrude Stein
Madame Bovary by Flaubert
Heart of Darkness by Joseph Conrad
On the Road by Jack Kerouac
Anna Karenina by Tolstoy
In the Heart of the Heart of the Country by William Gass
To the White Sea by James Dickey*
The Metamorphosis by Franz Kafka
Everything That Rises Must Converge by Flannery O'Conner
The Amazing Adventures of Kavalier and Clay by Micahel Chabon
Night by Elie Wiesel
This Side of Paradise by F. Scott Fitzgerald
Feel free to add....