Agatha Christie pleased to have their own novels in print in 100 years. Just one of the 25 authors held with Edmund Wilson's views. Harper Collins also published a souvenir magazine "Shocking Real Murders: Behind Her Classic Mysteries". The "Guinness Book of World Records" lists Christie as the best-selling novelist of all time. Her novels have sold roughly 2 billion copies, and her estate claims that her works come third in the rankings of the world's most-widely published books, behind only Shakespeare's works and the Bible. Half of the sales are of English language editions, and the other half in translation. According
Agatha Christie bibliography at March 2018, was still running; in 2009 the London run exceeded 25,000 performances. In September 2015 a public vote identified "And Then There Were None"—originally published in 1939 under the name "Ten Little Niggers"—as the public's favourite Christie novel; the book was the writer's favourite, and the one she found most difficult to write. In September 1930 Christie married the archaeologist Max Mallowan. The pair travelled frequently on archaeological expeditions and she used the experiences as a basis for some plots, including "Murder on the Orient Express" (1934), "Murder in Mesopotamia" (1936) and "Death on the Nile" (1937). She