The Night Circus Lesson Plan

Erin Morgenstern's website

https://erinmorgenstern.com/

Erin Morgenstern's website offers a blog and some details about the author. She answers some questions about The Night Circus on her FAQ page.

The Night Circus on TV Tropes

https://tvtropes.org/pmwiki/pmwiki.php/Literature/TheNightCircus

The Night Circus's TV Tropes page lists different tropes that occur throughout the novel.

The Night Circus Story Game

http://nightcircus.storynexus.com/

This online story game was originally commissioned by Random House Group and allows players to "explore" the Night Circus.

Penguin Random House: The Night Circus Reading Guide

...