What is the most popular book in the UK?

Here is best selling books in United Kingdom 1989-2019:

Da Vinci Code,The – Brown, Dan
Harry Potter and the Deathly Hallows – Rowling, J.K.
Harry Potter and the Philosopher’s Stone – Rowling, J.K.
Harry Potter and the Order of the Phoenix – Rowling, J.K.
Fifty Shades of Grey – James, E. L.
Harry Potter and the Goblet of Fire – Rowling, J.K.
Harry Potter and the Chamber of Secrets – Rowling, J.K.
Harry Potter and the Prisoner of Azkaban – Rowling, J.K.
Angels and Demons – Brown, Dan
Harry Potter and the Half-blood Prince:Children’s Edition – Rowling, J.K.
Fifty Shades Darker – James, E. L.
Twilight – Meyer, Stephenie
Girl with the Dragon Tattoo,The:Millennium Trilogy – Larsson, Stieg
Fifty Shades Freed – James, E. L.
Lost Symbol,The – Brown, Dan
New Moon – Meyer, Stephenie
Deception Point – Brown, Dan
Eclipse – Meyer, Stephenie
Lovely Bones,The – Sebold, Alice
Curious Incident of the Dog in the Night-time,The – Haddon, Mark
Digital Fortress – Brown, Dan
Short History of Nearly Everything,A – Bryson, Bill
Girl Who Played with Fire,The:Millennium Trilogy – Larsson, Stieg
Breaking Dawn – Meyer, Stephenie
Very Hungry Caterpillar,The:The Very Hungry Caterpillar – Carle, Eric
Gruffalo,The – Donaldson, Julia
Jamie’s 30-Minute Meals – Oliver, Jamie
Kite Runner,The – Hosseini, Khaled
One Day – Nicholls, David
Thousand Splendid Suns,A – Hosseini, Khaled
Girl Who Kicked the Hornets’ Nest,The:Millennium Trilogy – Larsson, Stieg
Time Traveler’s Wife,The – Niffenegger, Audrey
Atonement – McEwan, Ian
Bridget Jones’s Diary:A Novel – Fielding, Helen
World According to Clarkson,The – Clarkson, Jeremy
Captain Corelli’s Mandolin – Bernieres, Louis de
Sound of Laughter,The – Kay, Peter
Life of Pi – Martel, Yann
Billy Connolly – Stephenson, Pamela
Child Called It,A – Pelzer, Dave
Gruffalo’s Child,The – Donaldson, Julia
Angela’s Ashes:A Memoir of a Childhood – McCourt, Frank
Birdsong – Faulks, Sebastian
Northern Lights:His Dark Materials S. – Pullman, Philip
Labyrinth – Mosse, Kate
Harry Potter and the Half-blood Prince – Rowling, J.K.
Help,The – Stockett, Kathryn
Man and Boy – Parsons, Tony
Memoirs of a Geisha – Golden, Arthur
The No. 1 Ladies’ Detective Agency – McCall Smith, Alexander
Island,The – Hislop, Victoria
PS, I Love You – Ahern, Cecelia
You are What You Eat:The Plan That Will Change Your Life – McKeith, Gillian
Shadow of the Wind,The – Zafon, Carlos Ruiz
Tales of Beedle the Bard,The – Rowling, J.K.
Broker,The – Grisham, John
Dr. Atkins’ New Diet Revolution:The No-hunger, Luxurious Weight Loss P – Atkins, Robert C.
Subtle Knife,The:His Dark Materials S. – Pullman, Philip
Eats, Shoots and Leaves:The Zero Tolerance Approach to Punctuation – Truss, Lynne
Delia’s How to Cook:(Bk.1) – Smith, Delia
Chocolat – Harris, Joanne
Boy in the Striped Pyjamas,The – Boyne, John
My Sister’s Keeper – Picoult, Jodi
Amber Spyglass,The:His Dark Materials S. – Pullman, Philip
To Kill a Mockingbird – Lee, Harper
Men are from Mars, Women are from Venus:A Practical Guide for Improvin – Gray, John
Dear Fatty – French, Dawn
Short History of Tractors in Ukrainian,A – Lewycka, Marina
Hannibal – Harris, Thomas
Lord of the Rings,The – Tolkien, J. R. R.
Stupid White Men:…and Other Sorry Excuses for the State of the Natio – Moore, Michael
Interpretation of Murder,The – Rubenfeld, Jed
Sharon Osbourne Extreme:My Autobiography – Osbourne, Sharon
Alchemist,The:A Fable About Following Your Dream – Coelho, Paulo
At My Mother’s Knee …:and Other Low Joints – O’Grady, Paul
Notes from a Small Island – Bryson, Bill
Return of the Naked Chef,The – Oliver, Jamie
Bridget Jones: The Edge of Reason – Fielding, Helen
Jamie’s Italy – Oliver, Jamie
I Can Make You Thin – McKenna, Paul
Down Under – Bryson, Bill
Summons,The – Grisham, John
Small Island – Levy, Andrea
Nigella Express – Lawson, Nigella
Brick Lane – Ali, Monica
Memory Keeper’s Daughter,The – Edwards, Kim
Room on the Broom – Donaldson, Julia
About a Boy – Hornby, Nick
My Booky Wook – Brand, Russell
God Delusion,The – Dawkins, Richard
“Beano” Annual,The – nope
White Teeth – Smith, Zadie
House at Riverton,The – Morton, Kate
Book Thief,The – Zusak, Markus
Nights of Rain and Stars – Binchy, Maeve
Ghost,The – Harris, Robert
Happy Days with the Naked Chef – Oliver, Jamie
Hunger Games,The:Hunger Games Trilogy – Collins, Suzanne
Lost Boy,The:A Foster Child’s Search for the Love of a Family – Pelzer, Dave
Jamie’s Ministry of Food:Anyone Can Learn to Cook in 24 Hours – Oliver, Jamie

Data source: wikipedia.org
Music: youtube.com audio libary