Murder on the Orient Express - Agatha Christie Terry Pratchett Corgi Books Paperback 2013 Forty-two days ago I was

Forty-two days ago I was an ordinary kid

Can Tilly work out who

It is the building block of every cell that makes up every living thing

Then he receives a letter containing just two things: a piece of chalk

Murder on the Orient Express - Agatha Christie Terry Pratchett Corgi Books Paperback 2013 Forty-two days ago I wasJust after midnight, a snowdrift stops the Orient Express in its tracks. The luxurious train is surprisingly full for the time of the year, but by the morning it is one passenger fewer. An American tycoon lies dead in his compartment, stabbed a dozen times, his door locked from the inside. Isolated and with a killer in their midst, detective Hercule Poirot must identify the murderer in case he or she decides to strike again.