<p>Fans new and old will love this bind-up of the third and fourth novels in Sara Shepard's #1 New York Times bestselling Pretty Little Liars series, <em>Perfect</em> and <em>Unbelievable</em>. </p><p>Ever since high school juniors Spencer, Hanna, Aria, and Emily started receiving anonymous notes from "A," their lives have become living nightmares. A knows everything about them, from their tiniest mistakes to their deepest, darkest secrets. The girls are desperate to keep A from revealing the truth—even if it means doing the horrible things A demands.</p><p>In this bind-up of the third and fourth novels in the bestselling Pretty Little Liars titles, secrets are unearthed, identities are revealed . . . and four pretty little liars finally get the answers they've been looking for.</p>