Shepard, Sara, 1977- Twisted : a pretty little liars novel / Sara Shepard. - 280 pages ; 20 cm. - Pretty little liars ; 9 . ISBN: 9781907411915 (paperback) Subjects--Topical Terms: Friendship--Juvenile fiction.High school--Juvenile fiction. Dewey Class. No.: 813.6 / SHE 2012