Agatha Christie's most famous detectives receive the Mr Men Little Miss treatment! Agatha Christie's Hercule Poirot meets Roger Hargreaves' Mr Men and Little Miss in this new story, written and illustrated by Adam Hargreaves. Loosely inspired by Murder on the Orient Express, but with a charming and humorous twist for younger fans, this is a mystery that requires order and method to solve it! Have you met Mr Poirot - a new Mr. Men character who is a famous Belgian detective, like someone Agatha Christie fans have already met?!Mr Poirot is travelling on the Opulent Express to Paris, where his fellow passengers include the wealthy business tycoon Mr Rude and other intriguing passengers such as Madame Magic, Colonel Impossible and Professor Inventor.So, when there appears to be a thief onboard the train, it is time for Mr Poirot to use his little grey cells to investigate this seemingly impossible mystery.This is the second Mr Poirot mystery in a mischievous new partnership, publishing alongside Little Miss Marple: Bump in the Library. The first two titles are also available: Little Miss Marple: Muddle at the Vicarage and Mr Poirot: Mischief on the Nile.