"The Mirror Crack'd from Side to Side"
by Agatha Christie
[UNABRIDGED AUDIOBOOK WITH TEXT]
 
One minute, silly Heather Badcock had been gabbling on about her movie idol, the glamorous Marina Gregg. The next, Heather suffered a massive seizure. But who was the deadly poison really intended for?

Narrated by Joan Hickson.

Here is a BBC radioshow: http://englishtips.org/index.php?newsid=1150790938