Sara Shepard

Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. And Hanna uses some ugly tricks to stay beautiful....

Four pretty little liars have been very bad girls....

Aldrich University is rocked to its core when a hacker dumps 40,000 people's e-mails onto an easily searchable database. Rumors and affairs immediately leak, but things turn explosive when Kit Manning's handsome husband, Dr. Greg Strasser, is found murdered....

Four pretty little liars' charmed lives ahve turned into living nightmares...

In picturesque Rosewood, Pennsylvania, neighbors gossip over picket fences, and gleaming SUVs sit in every crushed-granite driveway....

The only thing more flawless than a Saybrook’s solitaire is the family behind the diamond empire....

Shortly before her 17th birthday, Emma discovers she has a long-lost twin named Sutton Mercer. She contacts Sutton, who agrees to a rendezvous but never shows up. Curious at first, Emma slips into Sutton's ultra-glamorous life, assuming her identity....

In Rosewood, Pennsylvania, four perfect-looking girls aren't nearly as perfect as they seem....

Foster child Emma Paxton is finally starting to get the hang of walking in her dead twin sister's fabulous shoes, even as she tries to track down Sutton's murderer. But Sutton was no angel, and the pranks she and her friends pulled leave Emma with a long list of suspects....

In picture-perfect Rosewood, Pennsylvania, ash-blond highlights gleam in the winter sun and frozen lakes sparkle like Swarovski crystals. But pictures often lie—and so do Rosewood's four prettiest girls....