Published by Hodder & Stoughton: hardback 1st edition with dustjacket (1 Oct 1982).
246pp plus bibliography, acknowledgements and an index. Lots of illustrations and photographs both in colour and black and white.
The story of Alice Liddell (the child for whom Dodgson first told the Alice story on the river in Oxford) and her family told through materials from a “treasure-trove” of records discovered in the playroom of a house in rural Gloucestershire.
Picked up in Jane Gibberd Secondhand Books on Lower Marsh, London for £6.
I really think Alice looks like Geraldine James in the photo on the cover….
Available on amazon: Beyond the Looking Glass: Reflections of Alice and Her Family