1 Pride and Prejudice - Jane Austen X
2 The Lord of the Rings - JRR Tolkien X
3 Jane Eyre - Charlotte Bronte X
4 Harry Potter series - JK Rowling X
5 To Kill a Mockingbird - Harper Lee X
6 The Bible X
7 Wuthering Heights - Emily Bronte X
8 Nineteen Eighty Four - George Orwell X
9 His Dark Materials - Philip Pullman
10 Great Expectations - Charles Dickens X
11 Little Women - Louisa M Alcott X
12 Tess of the DUrbervilles - Thomas Hardy
13 Catch 22 - Joseph Heller X
14 Complete Works of Shakespeare (Not the complete works, but a lot including Othello, A Midsummer Night's Dream, Hamlet, Henry V, the Tempest, Macbeth, Julius Caesar, Romeo and Juliet, and others)
15 Rebecca - Daphne Du Maurier X
16 The Hobbit - JRR Tolkien X
17 Birdsong - Sebastian Faulk
18 Catcher in the Rye - JD Salinger X
19 The Time Travellers Wife - Audrey Niffenegger X
20 Middlemarch - George Eliot
21 Gone With The Wind - Margaret Mitchell X
22 The Great Gatsby - F Scott Fitzgerald X
23 Bleak House - Charles Dickens
24 War and Peace - Leo Tolstoy X
25 The Hitch Hikers Guide to the Galaxy - Douglas Adams X
26 Brideshead Revisited - Evelyn Waugh
27 Crime and Punishment - Fyodor Dostoyevsky
28 Grapes of Wrath - John Steinbeck X
29 Alice in Wonderland - Lewis Carroll X
30 The Wind in the Willows - Kenneth Grahame X
31 Anna Karenina - Leo Tolstoy X
32 David Copperfield - Charles Dickens
33 Chronicles of Narnia - CS Lewis X
34 Emma - Jane Austen
35 Persuasion - Jane Austen
36 The Lion, The Witch and The Wardrobe - CS Lewis X
37 The Kite Runner - Khaled Hossein
38 Captain Corellis Mandolin - Louis De Bernieres
39 Memoirs of a Geisha - Arthur Golden
40 Winnie the Pooh - AA Milne X
41 Animal Farm - George Orwell X
42 The Da Vinci Code - Dan Brown X
43 One Hundred Years of Solitude - Gabriel Garcia Marquez X
44 A Prayer for Owen Meaney - John Irving
45 The Woman in White - Wilkie Collins X
46 Anne of Green Gables - LM Montgomery
47 Far From The Madding Crowd - Thomas Hardy
48 The Handmaids Tale - Margaret Atwood
49 Lord of the Flies - William Golding X
50 Atonement - Ian McEwan X
51 Life of Pi - Yann Martel
52 Dune - Frank Herbert X
53 Cold Comfort Farm - Stella Gibbons
54 Sense and Sensibility - Jane Austen X
55 A Suitable Boy - Vikram Seth
56 The Shadow of the Wind - Carlos Ruiz Zafon
57 A Tale Of Two Cities - Charles Dickens X
58 Brave New World - Aldous Huxley X
59 The Curious Incident of the Dog in the Night-time - Mark Haddon
60 Love In The Time Of Cholera - Gabriel Garcia Marquez X
61 Of Mice and Men - John Steinbeck X
62 Lolita - Vladimir Nabokov X
63 The Secret History - Donna Tartt
64 The Lovely Bones - Alice Sebold
65 Count of Monte Cristo - Alexandre Dumas X
66 On The Road - Jack Kerouac X
67 Jude the Obscure - Thomas Hardy
68 Bridget Joness Diary - Helen Fielding
69 Midnights Children - Salman Rushdie X
70 Moby Dick - Herman Melville X
71 Oliver Twist - Charles Dickens X
72 Dracula - Bram Stoker X
73 The Secret Garden - Frances Hodgson Burnett X
74 Notes From A Small Island - Bill Bryson
75 Ulysses - James Joyce (Parts of it)
76 The Bell Jar - Sylvia Plath X
77 Swallows and Amazons - Arthur Ransome
78 Germinal - Emile Zola
79 Vanity Fair - William Makepeace Thackeray
80 Possession - AS Byatt
81 A Christmas Carol - Charles Dickens X
82 Cloud Atlas - David Mitchell
83 The Color Purple - Alice Walker X
84 The Remains of the Day - Kazuo Ishiguro
85 Madame Bovary - Gustave Flaubert X
86 A Fine Balance - Rohinton Mistry
87 Charlottes Web - EB White X
88 The Five People You Meet In Heaven - Mitch Albom X
89 Adventures of Sherlock Holmes - Sir Arthur Conan Doyle (A few)
90 The Faraway Tree Collection - Enid Blyton
91 Heart of Darkness - Joseph Conrad X
92 The Little Prince - Antoine De Saint-Exupery X
93 The Wasp Factory - Iain Banks
94 Watership Down - Richard Adams X
95 A Confederacy of Dunces - John Kennedy Toole X
96 A Town Like Alice - Nevil Shute
97 The Three Musketeers - Alexandre Dumas X
98 Hamlet - William Shakespeare X
99 Charlie and the Chocolate Factory - Roald Dahl X
100 Les Miserables - Victor Hugo X
So, 61 by my count.