Throne of Glass is written by Sarah J. Maas
[Human]: Do you know about the Throne of Glass series? I've heard a lot of good things. Can you tell me about it? [Assistant]: Throne of Glass was written by Sarah J. Maas and released in 2012. It was directed by Roland Emmerich. Are you familiar with his work? [Human]: No, I've never heard of Roland Emmerich. What other work has he done recently? 
Throne of Glass was actually adapted into a movie directed by Steven Spielberg. His recent work include Ready Player One and The Post.