"Hampstead and Marylebone" is a book written by Geraldine Edith Mitton, often referred to by her initials G. E. Mitton. Published in the early 20th century, the book is likely a guide or historical account that explores the neighborhoods of Hampstead and Marylebone in London. G. E. Mitton was a prolific author known for her travel guides and works on English local history. In "Hampstead and Marylebone," she may have provided insights into the cultural, architectural, and historical aspects of these London districts, offering readers a detailed view of their past and present. For individuals interested in the history and local characteristics of Hampstead and Marylebone during the early 20th century, G. E. Mitton's work could be a valuable resource. It might provide a glimpse into the social and cultural life of these London neighborhoods.