L. T. Meade was the pseudonym of Elizabeth Thomasina Meade Smith (1854-1914), a prolific writer of girls stories in late 19th century England. Her most famous book was, A World of Girls, published in 1886. She was also the editor of a popular girl's magazine Atlanta. She also co-authored a number of notable mystery novels with Robert Eustace. Eustace Robert Barton (1854-1943), was a British physician who also wrote medico-legal thrillers under the pseudonym Robert Eustace. He often wrote in collaboration, particularly with L. T. Meade. With Meade his works include: A Master of Mysteries (1898), The Gold Star Line (1899), The Brotherhood of the Seven Kings (1899), The Arrest of Captain Vandeleur (1899), The Outside Ledge (1900), The Man Who Disappeared (1901), The Last Square (1902) and The Stolen Pearl (1903). He also co-authored The Tea Leaf (1925) with Edgar Jepson and The Documents in the Case (1930) with Dorothy L. Sayers.