Book four in the tragic series about the Sinister-Winterbottom twins, who must solve one wretched mystery after the next, brought to you by #1 N ew York Times bestselling author Kiersten WHITE.
Fake volcanoes! Real sea caves! Strangely modified frogs! Startling betrayal! And a lightning-struck manor! all combine for the electrifying penultimate Sinister Summer adventure.. . . .
But as they get closer to opening the books and their parents\' histories, an unexpected foe is watching everything they do.
Frank.
And this time, they won\'t trust the adult in charge, which is easy enough when it\'s enormous, lurking, unfriendly Mr.
This time, they\'ll get answers.
This time, they\'ll be ready.
They know exactly where Edgaren\'t is going to be: coming for them, and the books.
Meanwhile, Theo and Alexander settle on a daring plan.
They all work together to distract the friendly teenage camp director so they can explore and look for clues about where their parents might be.
Jay, the Sinister-Winterbottoms and their friends arrive at Stein Manor Science Camp.
Stein! After escaping from Edgaren\'t and Dr.
Frank and Dr.
The electrifying penultimate adventure finds the Sinister-Winterbottoms at the Manor of Mr.
Book four in the tragic series about the Sinister-Winterbottom twins, who must solve one wretched mystery after the next, brought to you by #1 N ew York Times bestselling author Kiersten WHITE
