Publisher: John Long, UK

Binding: Hardback

Date of issue: December 1923

Cover: Green cloth, black lettering on spine

Page count: 320

Edition notes: First UK edition. A second edition, also seemingly from 1923, was also produced. It has "Second Edition" printed on the title page. And, thanks to Bob Knowlton, below is a scan of the title page to a third edition.

Variant cover images: