The authors, William and Doris Martin, already had a print version of Dreams & Adventures: The Edwin Hubble Story, their short biography of the eminent astronomer. Now they needed an ebook version.
Professional Book Design
Professional Book Design
The authors, William and Doris Martin, already had a print version of Dreams & Adventures: The Edwin Hubble Story, their short biography of the eminent astronomer. Now they needed an ebook version.