Apart from which one? Check out the related link.
What Books did Agatha Christie write in 1934 ?
First person to write most 66 detectives books
She didn't illustrate any of her books (as far as I know, at least).
Agatha Christie wrote 80 detective novels, so, yes, she did write mysteries.
Agatha Christie used to write them, but she died over 35 years ago.
No.
Yes, several. Go to Google and type in 'agatha cristie complete list of books', then follow one of the top links. she wrote 77 books as well as plays, so too many to write here
murder mysteries! like Poiret or miss Marple!
Mrs. Peacock is a character in the board game "Clue" (Cluedo) which was later adapted into film and stage plays. Agatha Christie did not write a play specifically featuring a character named Mrs. Peacock.
Agatha Christie's first novel The Mysterious Affair at Styles was published in 1920 and introduced the long-running character detective Hercule Poirot, who appeared in 33 of Christie's novels and 54 short stories.
No, JK Rowling wrote the Harry Potter series.
No although some of her works like Ordeal By Innocence and Black Coffee are plays that have been novelised by Charles Osborne.