Shepard, Sara,  1977- <br/><br/>
Unbelievable :  a pretty little liars novel / 
Sara Shepard. 
 - 1st ed. 
 - New York :  HarperTeen,  2008. 
 - 279 p. ;  21 cm. 
 - Pretty little liars ;  bk. 4 .
<br/><br/> Four girls living in a wealthy suburb discover the identity of a stalker who has been sending them shocking text messages, and uncover the mystery of who killed their childhood friend. 
<br/><br/><label>ISBN: </label>9780751538380 
<br/><br/><label>LCCN: </label>2008010288 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Friendship--Fiction.<br/>Mystery and detective stories.
<br/><br/><label>LC Class. No.: </label>PZ7.S54324  / Un 2008 
<br/><br/><label>Dewey Class. No.: </label>823  / SHE