A poster promoting the books of Robin Jarvis was released sometime in the early 1990s in the United Kingdom. The series' featured are The Deptford Mice, The Deptford Histories and The Whitby Witches. The artwork is by Robin Jarvis, and is a montage of various characters, including Audrey, Oswald, Twit and Morwenna. The books published at the time are listed near the bottom. Neither Thomas nor The Whitby Child had been released yet.