Are you looking for a good book to read? Here are my opinions. Selections are organized by author, and only works I really love are included. My favorite book by each of these authors is indicated in bold.

Douglas Adams The Hitchhiker's Guide to the Galaxy
The Restaurant at the End of the Universe
Life, the Universe and Everything
So Long and Thanks for All The Fish
Mostly Harmless
Dirk Gently's Holistic Detective Agency
The Long, Dark Tea Time of the Soul
Last Chance to See
Salmon of Doubt
Jane Austen Pride and Prejudice
Emma
Sense and Sensibility
Karen Blocher Heirs of Mavarin
Mages of Mavarin
Walter R. Brooks Freddy Goes to Florida
Freddy the Detective
Freddy and the Ignormus
Emily Bronte Wuthering Heights
Peter Carey Oscar and Lucinda
Marcus Clarke His Natural Life
Roald Dahl Charlie and the Chocolate Factory
James and the Giant Peach
Shusaku Endo Silence
Gustave Flaubert Madame Bovary
Arthur Golden Memoirs of a Geisha
Robert Heinlein Stranger in a Strange Land
Victor Hugo Les Miserables
Notre Dame de Paris (aka the Hunchback of Notre Dame)
Zora Neale Hurston Their Eyes Were Watching God
Henry James The Bostonians
Washington Square
Daisy Miller
The Turn of the Screw
The Portrait of a Lady
The American
Norton Juster The Phantom Tollbooth
Harper Lee To Kill a Mockingbird
Steve Martin Picasso at the Lapin Agile
Shopgirl
The Pleasure of My Company
Lucy Maud Montgomery Anne of Green Gables
Anne of Avonlea
Anne of the Island
Anne's House of Dreams
Emily of New Moon
Emily Climbs
Emily's Quest
Toni Morrison Song of Solomon
J.K. Rowling Harry Potter and the Sorceror's Stone
Harry Potter and the Chamber of Secrets
Harry Potter and the Prisoner of Azkaban
Harry Potter and the Goblet of Fire
Harry Potter and the Order of the Phoenix
Harry Potter and the Half-Blood Prince
Mary Doria Russell The Sparrow
Children of God
William Shakespeare Hamlet
Macbeth
The Merchant of Venice
Romeo and Juliet
The Tempest
King Lear
Othello
Antony and Cleopatra
Much Ado About Nothing
Julius Caesar
John Steinbeck The Grapes of Wrath
East of Eden
Cannery Row
Of Mice and Men
Travels with Charley
The Short Reign of Pippin IV
Amy Tan The Joy Luck Club
The Kitchen God's Wife
The Hundred Secret Senses
The Bonesetter's Daughter
J.R.R. Tolkien The Hobbit
The Fellowship of the Ring
The Two Towers
The Return of the King
Mark Twain The Adventures of Huckleberry Finn
Kurt Vonnegut Cat's Cradle
Slaughterhouse Five
Sirens of Titan
Breakfast of Champions
Alice Walker The Color Purple
By the Light of My Father's Smile
Evelyn Waugh Brideshead Revisited
Tad Williams Tailchaser's Song
P.G. Wodehouse Aunts Aren't Gentlemen
Note: this is the only Wodehouse book I've read so far.
Virginia Woolf Orlando
A Room of One's Own
Preliminary list was created on 1/24/01. More to come. Updated ever-so-slightly on 8/26/05