What is Soft Sci Fi and How Does it Differ From Hard Sci Fi?
43 Seconds: A Hayden's World Hard Science Fiction Short Story by S.D. Falchetti - Audiobook - Audible.com
The Best of Greg Egan: 20 Stories of Hard Science Fiction: 9781949102253: Egan, Greg: Books - Amazon.com
The Year's Top Hard Science Fiction Stories: Benford, Gregory, DeLancey, Craig, Irvine, Alex, Johnson, C. W., Jones, Gwyneth, Kosmatka, Ted, Lewitt, Shariann, Liu, Ken, MacLeod, Ian R., McAuley, Paul: 9781976168987: Amazon.com: Books
43 Seconds: A Hayden's World Hard Science Fiction Short Story – Audio Freebies – Promo Codes for Free Audiobooks