Available in unpaginated HTML, plain text (us-ascii), & Plucker formats from Ebook #23791.
Produced from Astounding, September 1955. The HTML version includes two illustrations from this issue, credited to Freas & signed with his KF-circle logo, as well as one of Astounding's standard uncredited end-of-story filler drawings.
"Minor spelling and typographical errors have been corrected without note."
The Project Gutenberg wrapper gives the author as William Fitzgerald Jenkins, the text as Murray Leinster.
"Produced by Greg Weeks, Stephen Blundell and the Online Distributed Proofreading Team at http://www.pgdp.net".