The series is based on the popular New York Times bestselling book series collectively known as The Expanse,  written by Daniel Abraham and Ty Franck (under the pen name James S. A. Corey). Abraham and Franck will be show producers.
A tortoiseshell cat is a coat color where the cat is a molted brown cat with black, reddish, or orange patches. They can also have white paws. Tortoiseshell cats have unique genetics. The vast majority of tortoiseshell cats are female, because two X chromosomes are required to produce black, gold and orange coloring.
Tortoiseshell color pattern - without white markings: 1  Tortie Cat. The Tortie is a combination of the tortoiseshell and tabby coat patterns. 2  Dilute Tortie Cat. Blue Torties are randomly patched in blue and cream, giving them a more pastel coloration. 3  Brown Patched Tabby, also known as the Torbie Cat.