CHRISTIE, Agatha The Unexpected Guest New York: St. Martin's Minotaur, (1999). Price: $20.00 Hardcover. First edition. Adapted as a novel by Charles Osborne. Fine in fine dustwrapper. Item #341928 Add to Cart Ask a Question item image Agatha Christie birth name: Agatha Christie born: 9/15/1890 died: 1/12/1976 View Reference Info Biography English detective novelist and playwright whose books have sold more than 100,000,000 copies. - Merriam-Webster's Encyclopedia of Literaturemore Collecting tips: We also offer a comprehensive Agatha Christie Bibliography and Price Guide.more