"Lady Midnight" is a young adult fantasy novel written by Cassandra Clare. It was published in 2016 and is the first book in "The Dark Artifices" trilogy, which is a sequel series to Clare's immensely popular "The Mortal Instruments" series. "The Dark Artifices" series continues to explore the Shadowhunter world, where Nephilim warriors hunt demons and protect the human world.
The story is primarily set in Los Angeles and follows the character of Emma Carstairs, a young Shadowhunter. Emma is determined to uncover the truth about her parents' mysterious deaths, which were initially ruled as a consequence of a demon attack. However, she believes that there's more to the story.
The plot takes a turn when bodies bearing the same markings as her parents' deaths begin to surface in Los Angeles, leading Emma to investigate the dark underbelly of the Shadowhunter world. She is joined by her parabatai (a sacred bond between Shadowhunters), Julian Blackthorn, who has his own secrets and burdens to bear.
The novel is filled with intricate world-building, intricate relationships, and magical elements, typical of Cassandra Clare's writing. It delves into the politics, intrigues, and challenges within the Shadowhunter society while also exploring the personal struggles and romantic tensions of the main characters.
"Lady Midnight" is a book filled with action, mystery, and supernatural creatures. It has been well-received by fans of Cassandra Clare's previous works and has gained a following among young adult readers who enjoy fantasy, romance, and adventure in a contemporary, urban fantasy setting.