In an attempt to keep track of my 'must reads,' this is an ever-growing list. 

I Know Why the Caged Bird Sings by Maya Angelou
The Year of the Flood by Margaret Atwood
Three Paths to the Lake stories by Ingeborg Bachmann
2666 by Roberto Bolano
Fahrenheit 451 by Ray Bradbury
Open City by Teju Cole
Heart of Darkness by Joseph Conrad
Consolation by Anna Gavalda
Monkey Grip by Helen Garner
You Are What You Speak: Grammar Grouches, Language Laws And The Power Of Words by Robert Lane Greene
A Farewell to Arms by Ernest Hemingway
For Whom the Bell Tolls by Ernest Hemingway
The Old Man and The Sea by Ernest Hemingway
The Sun Also Rises by Ernest Hemingway
Indignez Vous! by Stephane Hessel
Cotton Comes to Harlem by Chester Himes
Kinglake-350 by Adrian Hyland
The Portrait of a Lady by Henry James
Pigeon English by Stephen Kelman
Great House by Nicole Krauss
The History of Love by Nicole Krauss
by Tom McCarthy
The Thousand Autumns of Jacob de Zoet by David Mitchell
Skippy Dies by Paul Murray
Down and Out in Paris and London by George Orwell
Keep the Apidistra Flying by George Orwell
There Once Lived a Woman Who Tried to Kill Her Neighbour’s Baby by Ludmilla Petrushevskaya
The Enchantress of Florence by Salman Rushdie
Swamplandia by Karen Russell
Fear and Loathing at Rolling Stone by Hunter S Thompson
Why Be Happy When You Could Be Normal? by Jeanette Winterson
Nourishment by Gerard Woodward
Practically every book on this list