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