Aislinn and Seth struggle with the unforeseen consequences of Aislinn's transformation from mortal girl to faery queen as the world teeters on the brink of cataclysmic violence.

The political and romantic tensions that began when Aislinn became Summer Queen threaten to boil over as the Faerie Courts brace against the threat of all-out war.

First a pack of vile, smelly goblins snatches Simon. Then a band of elves tries to entrap Jared. Maybe now that Arthur Spiderwick's Field Guide to the Fantastical World Around You has disappeared, the Grace kids will be left alone. Don't bet on it. At school, someone is running around pretending to be Jared, and it's not Simon. To make matters even worse, Mallory has disappeared. Clues point to the abandoned quarry just outside of town. The dwarves...

Ani, a half-mortal driven by her hungers, and Devlin, faery assassin and brother to the High Queen, have reason to fear one another even as they are drawn together to save all of Faerie.

When Mallory and Jared attempt to rescue Simon from goblins, they use a magical stone which enables them to see things that are normally invisible.

When visited by a fairy, fifteen-year-old Peregrine learns she is not Latki-born, so she begins to free her people from tyranny, even if it means fighting monsters--both magical and human.

After Artemis uses stolen fairy technology to create a powerful microcomputer and it is snatched by a dangerous American businessman, Artemis, Juliet, Mulch, and the fairies join forces to try to retrieve it.

When Flory the night fairy's wings are accidentally broken and she cannot fly, she has to learn to do everything differently.

Eleven-year-old Nicholas Vargas only thinks his life has been turned upside down after his developer father remarries and moves his new wife and daughter into the soon-to-be completed Mangrove Hollow. But an "expedition" to a nearby lake turns up a little nixie with a giant problem--the huge, lumbering, fire-breathing variety --and it's up to Nick, his stepsister Laurie, and his big brother, Julian (plus a familiar face from the original Spiderwick...

Fourteen-year-old Brystal Evergreen has secured worldwide acceptance for the magical community but new threats arise, including the centuries-old Righteous Brotherhood that intends to exterminate all magical life, beginning with Brystal.