The Night Circus is written by Erin MorgensternErin Morgenstern wrote The Night Circus. The Night Circus has genre FantasyFantasy has examples: The River
[Human]: I like The Night Circus book. do you know who wrote it? [Assistant]: For sure, the American writer Erin Morgenstern did.  [Human]: It has a genre Fantasy. Do you have other Fantasy books? 
Definitely, have you heard of The Forest or The Journey? Both are also amazing Fantasy novels.