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

1 The World's Worst Children
David Walliams
HarperCollins $24.99
9780008197049
2 The Last Time We Spoke
Fiona Sussman
Alison & Busby $32.99
9780749020262
3 Coming Home to Roost
Mary-Anne Scott
Random House $19.99
9781775538592
4 In Love with These Times: My Life with Flying Nun Records
Roger Shepherd
HarperCollins $36.99
9781775540892
5 Coming Rain
Stephen Daisley
Text Publishing $37.00
9781922182029
6 What Abi Taught Us: A Mother's Struggle to Come to Terms with Her Daughter's Death
Lucy Hone
Allen & Unwin $36.99
9781877505539
7 Everyone Brave is Forgiven
Chris Cleave
Hachette $37.99
9781473618701
8 SPQR: A History of Ancient Rome
Mary Beard
Profile Books $27.99
9781846683817
9 The Salted Air
Thom Conroy
Random House $38.00
9781775538820
10 This Must be the Place
Maggie O'Farrell
Hachette $37.99
9780755358830
11 The City of MIrrors
Justin Cronin
Hachette $37.99
9780752897912
12 The Mandibles: A Family, 2029-2047
Lionel Shriver
HarperCollins $34.99
9780007560752
13 The Sympathizer
Viet Thanh Nguyen
Hachette $27.99
9781472151360
14 Penguin Bloom: The Odd Little Bird Who Saved a Family
Cameron Bloom & Bradley Trevor Grieve
HarperCollins $29.99
9780733334948
15 Tickle My Ears
Jorg Muhle
Gecko Press $14.99
9781776570768
16 Savour: Salads for All Seasons
Peter Gordon
Quarto $55.00
9781910254493
17 Eat Clean, Live Lean: Art Green's Healthy Action Plan
Art Green
Allen & Unwin $24.99
9781877505614
18 I am Pilgrim
Terry Hayes
Random House $25.00
9780552160964
19 A Little Life
Hanya Yanagihara
Pan Macmillan $24.99
9781447294832
20 Gather: Fresh, Tasy Recipes for Sharing
Tim Read
Allen & Unwin $45.00
9781877505683