Publisher: Methuen & Co, UK

Binding: Hardback

Date of issue: September 1920

Cover: Red cloth, spine stamped in gold, front stamped blind.

Page count: 303

Blurb: "One of the most remarkable romances published for many years. Beginning in a Hampstead drawing-room, it proceeds through a strange, terrific, almost unimaginable world on the confines of visible space, and closes on a solemn note in the life after death."

Edition notes: First UK edition. 8 pages at the back listing other titles in Methuen's catalogue.

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