In a world where dragons and humans coexist in an uneasy truce and dragons can assume human form, Seraphina, whose mother died giving birth to her, grapples with her own identity amid magical secrets and royal scandals, while she struggles to accept and develop her extraordinary musical talents.

Tris Prior survives the Erudite simulation attacks that occur during the time she expected to be celebrating her achievement of being ranked first among the initiate class of her chosen faction, Dauntless. Even though the Dauntless have been freed from Erudite mind control, a war develops and secrets emerge.

In a future Chicago, sixteen-year-old Beatrice Prior must choose among five predetermined factions to define her identity for the rest of her life, a decision made more difficult when she discovers that she is an anomoly who does not fit into any one group, and that the society she lives in is not perfect after all.

The conclusion to the trilogy reveals the secrets of the dystopian world and the consequences of a fateful decision.

As the Council attempts to strip Charlotte of her power, sixteen-year-old orphaned shapechanger Tessa Gray works with the London Shadowhunters to find the Magister and destroy his clockwork army, learning the secret of her own identity while investigating his past.

Royal assassin Celaena must travel to a new land to confront a truth about her heritage, while brutal and monstrous forces are gathering on the horizon, intent on enslaving her world.