By: Cynthia Ayala’ 16 / Emertainment Monthly Staff Writer  Sara Shepard has delivered an impeccable ending to the first story arc in the Pretty Little Liars series.  Unbelievable, the fourth book in the series by Sara Shepard, was published on May 27, 2008 by HarperTeen, explores and twists the coming-of-age genre, by combining it with mystery and thriller for the young adult readers.  This novel … Continue reading Review: An “Unbelievable” Novel (Pretty Little Liars, #4) | Emertainment Monthly