This week's best-selling paperbacks supplied by Waterstone's.

1 (1) The No 1 Ladies' Detective Agency - Alexander McCall Smith

2 (2) Life of Pi - Yann Martel

3 (5) The Lovely Bones - Alice Sebold

4 (-) Morality For Beautiful Girls: No 1 Ladies' Detective Agency - Alexander McCall Smith

5 (3) Northern Lights: His Dark Materials - Philip Pullman

6 (10) Tears of the Giraffe: No 1 Ladies' Detective Agency - Alexander McCall Smith

7 (8) The Amber Spyglass: His Dark Materials - Philip Pullman

8 (6) The Subtle Knife: His Dark Materials - Philip Pullman

9 (-) Holy Fools - Joanne Harris

10 (9) The King Of Torts - John Grisham