TY - BOOK AU - Shepard,Sara TI - Pretty little liars T2 - Pretty little liars novel SN - 9780060887322 AV - PZ7.S54324 Pre 2007 U1 - [Fic] 22 PY - 2007///, c2006 CY - New York PB - HarperTeen KW - Missing persons KW - Juvenile fiction KW - Friendship KW - Secrecy KW - Conduct of life KW - High schools KW - Schools KW - Fiction KW - Secrets KW - Mystery and detective stories KW - sears KW - School stories KW - Mystery fiction KW - gsafd N1 - School Library Journal, November 2006; Publisher's Weekly, October 2006; Horn Book, April 2007; Bulletin (Center for Children's books), February 2007; School Library Journal; Publisher's Weekly; Horn Book; Young Adult; Follett Library Resources; Young Adult; 760; Lexile N2 - When one of their tightly-knit group mysteriously disappears, four high school girls find their friendship difficult to maintain when they begin receiving taunting messages from someone who seems to know everything about their past and present secrets ER -