The most dangerous evil has infinite subtlety and patience. Beware: It is rising.

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, the caretaker, invites three specialists--a potion master, a magical relics collector, and a mystical creature trapper--to help protect the property from the Society of the Evening Star, an ancient organization determined to infiltrate the preserve and steal a hidden artifact of great power. Time is running out. The Evening Star...

Hours of crisis often call for sacrifice.

After many centuries of plotting, the Sphinx--leader of the Society of the Evening Star--is after the final artifacts needed to open the great demon prison, Zzyzx. If the legendary prison is opened, a tide of evil is certain to usurp control of the world.

In an effort to intercept the final artifacts, Kendra, Seth and the Knights of the Dawn race to strange and exotic preserves across the globe. The stakes have never been higher. The risks have never been more deadly.

In this explosive series finale,...