The story of the universe. Volume 2 (of 4), by Esther Singleton 77792 [Subtitle: told by great scientists and popular authors] [Author: Esther Singleton] [Link: https://www.gutenberg.org/ebooks/77792] note: link will be active within two hours of posting.
Thanks to John Campbell and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) Regards, Al
