We love a bit of sales analysis trivia! Here are the top selling authors at Whodunit. Did you rediscover Agatha Christie this year too?

Rank Author Change from 2016

1. Rankin, Ian =

2. Robinson, Peter =

3. Beaton, M.C. =

4. Christie, Agatha +4

5. Smith, Alexander McCall -1

6. Perry, Anne -1

7. Mankell, Henning -1

8. Penny, Louise +2

9. Connelly, Michael -2

10. Leon, Donna -1

11 . Bowen, Rhys =

12 . Childs, Laura =

13 . Evanovich, Janet +1

14 . Doherty, Paul -1

15 . Parker, Robert B -2

16 . James, P.D. =

17. Granger, Ann =

18 . George, Elizabeth =

19 . Marric, J.J. =

20 . Bowen, Gail +1

21 . Rendell, Ruth -1

22 . Grafton, Sue =

23 . Benison, C.C. =

24 . Crombie, Deborah +2

25 . Reichs, Kathy =

26 . Purser, Ann +2

27 . Albert, Susan Wittig -3

28 . Jardine, Quintin +3

29 . Braun, Lilian Jackson -2

30 . Tremayne, Peter -1