In this book we're following Will and Tessa's kid and the shadowhunters of the 1900s. I really think that the infernal devices trilogy is her best work yet so I'm excited to see what she'll do with this one! I love the romance and the friendships. The demons are also interesting in this book. They don't usually like the light and the demons go out in the light and they have to figure out how to stop them. I also love when Magnus makes a debut, he's one of my favorite characters out of the whole shadowhunters world. Tessa is also just amazing and I loved seeing Jem! I cant wait for the next book and what will happen with the characters along the way. I wish we didnt have to wait long for it!