The Night Circus is a mesmerizing gaslamp fantasy novel written by Erin Morgenstern. Set in the late 19th century, it tells the story of a mysterious circus that appears only at night. The circus is a stage for a magical competition between two young illusionists, Celia and Marco, who are bound to each other in a deadly game. As their rivalry intensifies, they discover the power of love and the consequences of their actions. Morgenstern's vivid prose and intricate world-building make The Night Circus a captivating read for fans of gaslamp fantasy.