The Doubling Rod

From Author Wars - https://authorwars.com/publications/the-doubling-rod-695047.html

Overview:

Title: The Doubling Rod
Author: Ada Harrison
Year: 1957
Publisher: John Lane
Pages: 190
Binding: Hardcover
Type: Novel
Title Reference: The Doubling Rod
Notes:
- Reprint edition
- The title page should be checked for possible author credit as "Ada M. Harrison", the canonical name of the writer at UK and US national libraries. And checked for the publisher/imprint. WorldCat library records {{OCLC|156746377}} and OCLC 30195107 report "Bodley Head" and "J. Lane" for the two editions.
- Cover image from Amazon UK 2018-11-30 as "Hardcover – 1 Jan 1957" and "J.Lane; Reprint edition (1957)". Cover artist presumed to be interior illustrator Austin, credited at the bottom of the front cover.