Two hidden artifacts have been found. More preserves face destruction as the Society of the Evening Star relentlessly pursues new talismans. Desperate to stop them, Kendra discovers the location of the key to a vault housing one of the artifacts in Patton's Journal of Secrets. To retrieve the key, the Knights of the Dawn must enter a death trap--a dragon sanctuary called Wyrmroost.

Jack and Annie are joined by Teddy and Kathleen as they travel to the snowy Land-Behind-the-Clouds, where they search for the eye of the Ice Wizard and attempt to help Merlin and Morgan.

After escaping imprisonment by the totalitarian regime known as the New Order, siblings Wisty and Whit Allgood, who possess magical powers, establish themselves as leaders of the Resistance, a hidden community of teenagers like themselves, hunted by the state and determined to defy its ban on the arts, magic, and all other forms of creativity.

Blue Sargent has found things. For the first time in her life, she has friends she can trust, a group to which she can belong. The Raven Boys have taken her in as one of their own. Their problems have become hers, and her problems have become theirs. The trick with found things though, is how easily they can be lost.

Cressida returns to the Rainbow Realm, where she helps Princess Firefly, the orange unicorn, with the opening of a new library.

Leven discovers that he must travel to the island of Alder to find the answer that will save the realm of Foo from destruction.

Having used their magic tree house to travel to India, where they must get a gift to help free the dog Teddy from a spell, Jack and Annie have adventures involving a tiger and other endangered jungle animals.

When Jack and Annie travel back to the Kansas prairie in search of "something to learn," they gain an understanding of how hard life was for pioneers and they experience the terror of a tornado.

The magic tree house takes Jack and Annie to Africa where they meet up with wonderful wild animals, a very hungry warrior, and where they even solve a riddle.

When Daniel Soria, the current saint of Bicho Raro, Colorado, violates the family's greatest taboo, Beatriz and Joaquin, along with the pilgrims, must drive off the darkness.