Mull, Brandon

As a dark force engulfs the land, the fate of Erdas has fallen on the shoulders of four young strangers who each have forged a rare bond with their spirit beasts -- a bond that gives great powers to all of them.

Jason and Rachel's adventures and friendships have made Lyrian more of a home to them than they could have imagined, so now, armed with the prophecy of a dying oracle, they are ready to become Lyrian's heroes whatever the cost to themselves.

Kendra and Seth find themselves in the midst of a battle between good and evil when they visit their grandparents' estate and discover that it is a sanctuary for magical creatures.

Kendra, her brother Seth, and Granpa Sorenson, with the help of three specialists, strive to protect Fablehaven from the infiltration of the Society of the Evening Star.

While Kendra searches with the Knights of Dawn for a hidden artifact, Seth discover a plague that changes beings of light into evil creatures and must decide if he can trust the help of Vanessa or the Sphinx to stop it.

When Kendra and Seth go to stay at their grandparents' estate, they discover that it is a sanctuary for magical creatures and that a battle between good and evil is looming.

Jason, having returned home, finds a way to cross back over into Lyrian to tell his friends the information he learned from Maldor, and he and Rachel uncover the roles they have to play in the fight against the evil emperor while trying to convince a much needed ally to join the war.

At the end of the school year, Kendra and Seth return to Fablehaven to help their grandfather defend a hidden artifact of great power from the Society of the Evening Star.