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 reveals just who “A” was and why she did what she did, leaving the state of the girls in a mess[….]

Full review here:

Review: An “Unbelievable” Novel (Pretty Little Liars, #4) | Emertainment Monthly