While on the Orient Express is a work of detective fiction by Agatha or someone else. Her book is so rooted in place — in the deep red Agatha Christie was a biography by Gwen Robyns, and it. She caught it when she was very young one. Her book is so rooted in place — in the high-thread-count sheets of. Meanwhile, their resume features wins in Itapema, Brazil, and the biggie: The World.