London, London, A & C Black, 1915
8vo 280pp
8 colour plates

Cover of the 1915 edition, colour on white cloth. Below the decorated cover and spine and dustwrapper for the 1933 reprint.

My copy of the edition dated 1915 on the title page states: “With twelve full-page illustrations in colour from drawings by Sybil Tawse” but in the list of illustrations, and in the book, only 8 plates. I wonder if 12 were planned or intended, but only 8 finally published and the title page not revised.
The 1933 edition says “First published November 1915 | Reprinted 1933” on the back of the title page, with “eight” illustrations on the title page. Another issue or printings in 1915 are not indicated.
I am still investigating.