Throne of Glass is written by Sarah J. MaasSarah J. Maas wrote The Assassin's BladeThe Assassin's Blade was released 2014
[Human]: Tell me, do you know much about Throne of Glass? [Assistant]: Yes, I can tell you that it was written by Sarah J. Maas and was released in 2012 and can be described as a thriller. [Human]: What else has she written that may be of interest? 
Sarah J. Maas has also written a horror novel called The Midnight Sun. It was released back in 2016 and is considered one of her best works.