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

1 The Diamond Horse
Stacy Gregg
HarperCollins $24.99
9780008124397
2 Commonwealth
Ann Patchett
Bloomsbury Publishing $32.99
9781408880395
3 The Marble Maker
Sacha Cotter
Huia Publishers $20.00
9781775502241
4 Nutshell
by Ian McEwan
Jonathan Cape $38.00
9781911214335
5 The Pigeon Tunnel: Stories from My Life
John Le Carre
Viking Penguin Books $38.00
9780241976876
6 Born to Run
Bruce Springsteen
Simon & Schuster $49.99
9781471157790
7 I Know This to be True
PQ Blackwell $49.99
9780473361341
8 Dr Libbys Womens Wellness Wisdom: What Every Woman Needs to Know
by Dr. Libby Weaver
Little Green Frog Publishing  $39.95
9780473360887
9 The Great War for New Zealand: Waikato 1800-2000 Vincent O'Malley
Bridget Williams Books $79.99
9781927277577
10 Scrumptious
by Chelsea Winter
Random House $50.00
9780143770107
11 The 78-Storey Treehouse
by Andy Griffiths & Terry Denton
Pan Macmillan  $17.99
9781743535004
12 Homo Deus: A Brief History of Tomorrow
Yuval Noah Harari
Harvill Secker Random House  $40.00
9781910701881
13 Tales from the Backroads
Mike Crean & David Hallett  Sandfly Publications  $49.95
9780473349356
14 Mansfield and Me: A Graphic Memoir
by Sarah Laing
Victoria University Press $35.00
9781776560691
15 Small Great Things
Jodi Picoult
Allen & Unwin  $36.99
9781760110499
16 The Wonder
Emma Donoghue
Picador Pan Macmillan $34.99
9781509818396
17 Maori Boy: A Memoir of Childhood
Witi Ihimaera
Random House  $39.99
9781869797263
18 The Good People
by Hannah Kent
Picador Australia Pan Macmillan $37.99
9781743534908
19 The Girl on the Train (Film Tie In)
Paula Hawkins
Black Swan  $26.00
9781784161750
20 All the Light We Cannot See Anthony Doerr
HarperCollins  $24.99
9780007548699