To Worlds Unknown
From Author Wars - https://authorwars.com/publications/to-worlds-unknown-265732.html
Overview:
- Title: To Worlds Unknown
- Author: Captain W. E. Johns
- Year: 1960
- Publisher: Hodder & Stoughton
- Price: 8/6
- Pages: 157
- Binding: Hardcover
- Type: Novel
- Title Reference: To Worlds Unknown
- Notes:
Title page states "Colour illustrations by Stead".
The Foreword and "Definitions You Should Know" (a short section on the make-up of the universe), are uncredited but very likely authored by Johns.