There's a serial killer on the loose, working his way through the alphabet and the whole country is in a state of panic.

A is for Mrs Ascher in Andover, B is for Betty Barnard in Bexhill, C is for Sir Carmichael Clarke in Churston. With each murder, the killer is getting more confident - but leaving a trail of deliberate clues to taunt the proud Hercule Poirot might jUSt prove to be the first, and fatal mistake...

1 The Letter

2 Not from Captain Hastings" Personal Narrative

3 Andover

4 Mrs Ascher

5 MaryDrower

6 The Scene of the Crime

7 Mr Partridge and Mr Riddell

8 The Second Letter

9 The BexhiU-on-Sea Murder

10 TheBarnards

11 Megan Barnard

12 Donald Fraser

13 A Conference

14 The Third Letter

15 Sir Carmichael Clarke

16 Not from Captain Hastings" Personal Narrative

17 Marking Time

18 Poirot Makes a Speech

19 By Way of Sweden

20 Lady Clarke

21 Description of a Murderer

22 Not from Captain Hastings' Personal Narrative

23 September llth. Doncaster

24 Not from Captain Hastings' Personal Narrative

25 Not from Captain Hastings' Personal Narrative

26 Not from Captain Hastings' Personal Narrative

27 The Doncaster Murder

28 Not from Captain Hastings' Personal Narrative

29 At Scotland Yard

30 Not from Captain Hastings' Personal Narrative

31 Hercule Poirot Asks Questions

32 And Catch a Fox

33 Alexander Bonaparte Cust

34 Poirot Explains

35 Finale