Legend of the Five Rings is a 19-book series with 19 released primary works first released in 2017 with contributions by Katrina Ostrander, Marie Brennan, Mari Murdock, D.G. Laderoute, Ree Soesbee, Annie VanderMeer Mitsoda, Robert Denton III, Daniel Lovat Clark, Joshua Reynolds, David Annandale and 2 others.