All three Backflow books - Backflow, Firestone, and Omnivelocity - in one book!How the adventures for the Demeter's crew began....Captain Lydia Zarro and her crew spend most of their days living on and operating the Demeter. But when they land on a backwater planet to make a cargo delivery, they find their knowledge and experience tested by the Demeter's unusual science - and by an unexpected event. - Notes from the This omnibus edition of the three Backflow books is about 172,600 words; the text contains swearing. The Backflow books are like hard science fiction combined with hard engineering fiction - combined with unusual space adventures!This Backflow series is part of my Diamond Universe. Other books in that universe Diamond On Your Radar, Hellscape, Endland, Destinations And Captain's Choice, and Lead Me To Paradiso.