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

1 Night School
Lee Child
Random House $38.00
9780593073919
2 The Midnight Gang
David Walliams & Tony Ross HarperCollins $24.99
9780008188573
3 My Father's Island: A Memoir Adam Dudding
Victoria University Press $35.00 9781776560820
4 The Sellout
Paul Beatty
Oneworld Publications $27.99
9781786070173
5 Gecko Annual
Eds Kate De Goldi, Susan Paris
Gecko Press $39.99
9781776570775
6 The Wish Child
Catherine Chidgey
Victoria University Press $30.00
9781776560622
7 Double Down
Jeff Kinney
Penguin  $17.99
9780143309338
8 Rather be the Devil
Ian Rankin
Hachette  $37.99
9781409159414
9 Mauri Ora
Peter Alsop & Te Raumawhitu Kupenga
Potton & Burton $39.99
9780947503147
10 The Wonder
Emma Donoghue
Pan Macmillan $34.99
9781509818396
11 Commonwealth
by Ann Patchett
Bloomsbury Publishing $32.99
9781408880395
12 Five on Brexit Island
Bruno Vincent
Hachette $19.99
9781786483843
13 Nutshell
Ian McEwan
Random House $38.00
9781911214335
14 Five Go Gluten-Free
Bruno Vincent
Hachette $19.99
9781786482228
15

The Riviera Set
Mary S. Lovell
Hachette $39.99
9781408705223

16 All the Light We Cannot See Anthony Doerr
HarperCollins $24.99
9780007548699
17 The Secret Diary of Hendrik Groen, 83 Years Old
Hendrik Groen & Hester Velmans
Penguin  $37.00
9780718182953
18 The Good People
Hannah Kent
Pan Macmillan $37.99
9781743534908
19 A Bunk for the Night
Shaun Barnett, Geoff Spearpoint & Rob Brown
Potton & Burton Publishing  $49.99
9780947503062
20 Les Parisiennes: How the Women of Paris Lived, Loved and Died in the 1940s
Anne Sebba
Hachette $39.99
9781474601733