Author: Roger HargreavesPicture books: character booksPublished on 26 February 2026 by HarperCollins Publishers (Farshore) in the United Kingdom as part of 'the Mr Men Little Miss Agatha Christie Mysteries' series.Hardback | 32 pages152 x 168 x 8 | 142g Agatha Christie’s most famous detectives receive the Mr. Men Little Miss treatment! Agatha Christie’s Miss Marple meets Roger Hargreaves' Mr Men and Little Miss in this new story, written and illustrated by Adam Hargreaves. Loosely inspired by The Body in the Library, but with a light and humorous twist for younger fans, this is a mystery that only someone with a deep understanding of human nature can solve! Have you met Little Miss Marple – a new Little Miss who may feel more than a little familiar, particularly to Agatha Christie fans?! Little Miss Marple is staying at Gossipton Hall when Sir Jelly finds a body in the library! This turns out to be a confused Major Bump, with a bump on his head. With growing uncertainty about whether this was accidental, Little Miss Marple joins Major Bump on a trip to the Majestic Hotel, where there is much suspicion about his fellow holidaymakers. Can Little Miss Marple help Inspector Nonsense and Constable Silly find the culprit? This is the second Little Miss Marple mystery in a mischievous new partnership, publishing alongside Mr Poirot: Mystery on the Opulent Express. The first two titles are also available: Little Miss Marple: Muddle at the Vicarage and Mr Poirot: Mischief on the Nile.
