Peter Pan in Kensington Gardens by J. M. Barrie Mug. Coffee Mug with Peter Pan book Title and Book Pages, Bookish Gift, Literary Mug. Peter Pan in Kensington Gardens is a novel by J. M. Barrie first published in 1906. Peter Pan book two pages and title page printed on white 11oz. coffee mug. This "Peter Pan" book themed coffee mug would make a great gift for any book and coffee lover! Product Details: -11 oz. white ceramic mug -Dishwasher & Microwave safe