Regeneration

From Author Wars - https://authorwars.com/books/regeneration-322001.html

Overview:

Unknown. Regeneration (Unknown, Luis Royo, DAW Books, ISBN-10: 0756403456, $24.95, xi+543 pages, Hardcover, Novel)
Unknown. Regeneration (Unknown, Luis Royo, DAW Books, ISBN-10: 9780756404116, $7.99, xiii+570 pages, Paperback, Novel)
Unknown. Regeneration (Unknown, Luis Royo, DAW Books / SFBC, ISBN-10: 0756403456, $12.49, 543 pages, Hardcover, Novel)
2007 . Regeneration (2007, Luis Royo, DAW Books, ISBN-10: 9781101042250, $7.99, pages, ebook, Novel)
2020 . Regeneration (2020, Luis Royo, Audible Studios on Brilliance Audio, ISBN-10: 9781713521143, $29.99, audio MP3 CD, Novel)
2020 . Regeneration (2020, Luis Royo, Audible Studios on Brilliance Audio, ISBN-10: 9781713549697, $39.99, audio CD, Novel)