Horror's Greatest Hits

Join the Goodreads Author Program

Are you R.D. MacElroy, author of the books below?
Natural and Artificial Ecosystems by R.D. MacElroy Life Sciences and Space Research XXV by R.D. MacElroy Manmade Closed Ecological Systems by I.I. Gitelson


To join the author program as R.D. MacElroy, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


About the Author Program
Authors on Goodreads
Author Guidelines
Author Program How-To
Author & Advertisers Blog
Ask the Author: Featured Authors
About Goodreads