Peg Kehret's thrill-ogy.
Thrill-ogy
- This omnibus ed.
- New York, N.Y. : Puffin Books, in imprint of Penguin Group (USA), 2014.
- 1 v. (various pagings) ; 20 cm.
Terror at the zoo -- Horror at the haunted house -- Danger at the fair.
Contains three mysteries featuring twelve-year-old Ellen and her younger brother Corey.