Download or read book Pretty Little Liars written by Sara Shepard and published by HarperTeen. This book was released on 2014 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.