"Astrid struggles with a shameful secret, Ling discovers courage in a prison camp, and Serafina lines up allies to help fight the final battle for her underwater realm"--

Sixteen-year-old Clary continues trying to make sense of the swiftly changing events and relationships in her life as she becomes further involved with the Shadowhunters and their pursuit of demons and discovers some terrifying truths about her parents, her brother Jace, and her boyfriend Simon.

As mysterious murders threaten the new peace between Shadowhunters and Downworlders, only Simon, the Daylighter vampire, can help bring both groups together.

Conditions worsen for the remaining young residents of a small California coastal town isolated by supernatural events when their food supplies dwindle and the Darkness underground awakens.

When David moves in with Liz Pennykettle and her daughter Lucy, he discovers a collection of hand-crafted, clay dragons that come to life and have magical powers. David's personalized dragon, Gadzooks, can forecast the future, and inspires him to write a story which reveals the truth behind an unsolved mystery close to home. The story has an unhappy ending, and when David realizes the consequences of it, he is angry. Then David finds Gadzooks crying...

Suddenly able to see demons and the Shadowhunters who are dedicated to returning them to their own dimension, fifteen-year-old Clary Fray is drawn into this bizarre world when her mother disappears and Clary herself is almost killed by a monster.

While researching the existence of dragons for an essay that could win him a trip to the Arctic, Chris opens himself to the possibility that a great, ancient treasure exists there, guarded by bears, and that he has some role in its protection.

Uncovering an ancient evil, Serafina, a mermaid of the Mediterranean Sea, searches for five other mermaid heroines who are scattered across the six seas, to save their hidden world.

"Astrid must confront her ancestor, Orfeo, the evil force behind the rise of the monster Abbadon, while Sera and her Black Fins train goblin troops for battle against her uncle Vallerio's death riders"--

David Rain is faced with the most perilous task yet when Gwilanna returns, this time determined to resurrect the dragon Gawain on the ice cap of the Tooth of Ragnar, unless David and her friends can stop her.