I really enjoy watching Agatha Christie's Poirot. Have you seen it?
I haven't seen it actually!  But, I have read Agatha Christie's Poriot's Early Cases.  It's a series of short stories she wrote back in the 70's.
Yes, the television series is based on her Poriot short stories; each episode was adapted from one of the stories.
Poirot's Early Cases
Poirot's Early Cases is a short story collection written by Agatha Christie and first published in the UK by Collins Crime Club in September 1974. The book retailed at £2.25. Although the stories contained within the volume had all appeared in previous US collections, the book also appeared there later in 1974 under the slightly different title of Hercule Poirot's Early Cases in an edition retailing at $6.95.
In the collection, Christie charts some of the cases from Hercule Poirot's early career, before
List of Agatha Christie's Poirot episodes
The following is a list of episodes for the British crime drama "Agatha Christie's Poirot", featuring David Suchet as Poirot, which first aired on ITV from 8 January 1989 to 13 November 2013. In total 70 episodes were produced over 13 series.
Episodes run for either approximately 50 minutes or 90–100 minutes, the latter of which is the format of all episodes from series 6 onwards. The shorter episodes are based on Christie's short stories featuring Poirot, many published in