"Very strange things are afoot at Fablehaven. Someone or something has released a plague that transforms beings of light into creatures of darkness. Seth discovers the problem early, but as the infectious disease spreads, it becomes clear that the preserve cannot hold out for long. In dire need of help, the Sorensons question where to turn. The Sphinx has always given sound advice -- but is he a traitor? Inside the Quiet Box, Vanessa might have...

Cursed by the Key of Forgetting, Seth has lost all memory of his past, and aligns with his new mentor, Ronodin. The dark unicorn takes him to the Phantom Isle, the secret gateway to the Under Realm. Though Seth is not formally a prisoner, Ronodin wants to use him and his shadow charmer powers for his own dark ends. Kendra's search for her brother will take her and Warren, Tanu, and Vanessa to Crescent Lagoon, a recently fallen dragon sanctuary. If...

"At the end of the school year, Kendra and her brother Seth find themselves racing back to Fablehaven, a refuge for mythical and magical creatures. Grandpa Sorenson invites three specialists -- a potion master, a collector of magical relics, and a trapper of mystical creatures -- to help protect the property from the Society of the Evening Star, an ancient organization determined to steal a hidden artifact of great power. Time is running out. If...