There are two types of skull planet.
Art by Ray Feibush (left) and Bruce Pennington. Check out these illustrations along with 400 others in my new art book - “Worlds Beyond Time: Sci-Fi Art of the 1970s” is out now!
Reblogging a few book promo posts because… my art book is out in the UK for the first time today! Buy a copy here and tell all your European pals!
