As part of the Indiebound programme, Nielsen BookScan has generously agreed to supply a weekly independent Top 20 bestsellers report.

1 The Midnight Gang
David Walliams & Tony Ross HarperCollins $24.99
9780008188573
2 Night School
Lee Child
Random House $38.00
9780593073919
3 How to Have a Beer
Alice Galletly
Awa Press $26.00
9781927249413
4 The Sellout
Paul Beatty
Oneworld Publications $27.99
9781786070173
5 The Wish Child
Catherine Chidgey
Victoria University Press $30.00
9781776560622
6 Double Down
Jeff Kinney
Penguin  $17.99
9780143309338
+ Gecko Annual
Eds Kate De Goldi, Susan Paris
Gecko Press $39.99
9781776570775
8 Fantastic Beasts and Where to Find Them
J. K. Rowling
Little, Brown Hachette $39.99
9781408708989
9 The Stolen Island: Searching for 'Ata
Scott Hamilton
Bridget Williams Books $14.99
9780947518110
10 Coffee U Feel: Havana Coffee Works
Geoff Marsland & Tom Scott Phantom House Books $50.00
9780987666772
11 Five Go Gluten-Free
Bruno Vincent
Hachette $19.99
9781786482228
12 Five on Brexit Island
Bruno Vincent
Hachette $19.99
9781786483843
13 Five Go on a Strategy Away Day
Bruno Vincent
Quercus Hachette $19.99
9781786482242
14 The Secret Diary of Hendrik Groen, 83 Years Old
Hendrik Groen & Hester Velmans
Penguin  $37.00
9780718182953
15 Commonwealth
Ann Patchett
Bloomsbury  $32.99
9781408880395
16 Swing Time
Zadie Smith
Hamish Hamilton $37.00
9780241247310
17 The Riviera Set
Mary S. Lovell
Hachette $39.99
9781408705223
18 Rather be the Devil
Ian Rankin
Orion $37.99
9781409159414
19 Mauri Ora
Peter Alsop & Te Raumawhitu Kupenga
Potton & Burton $39.99
9780947503147
20 Never Put All Your Eggs in One Bastard: A Memoir
Peta Mathias
Random House $40.00
9781775533870