As she fights for the family company, Tandy Angel's detective prowess is called into question and her paranoia builds, forcing her to face the possibility that her stalker could be all in her head--or the very real danger that will finally bring her down.

Thirteen-year-old Ginger becomes the target of a disturbed woman who believes that she is her dead daughter.

"It wasn't the kidnapping that ruined Cass Adams's life. It was the letters that came after. The pink envelopes that appear in her car, her locker, her bedroom. Notes from the man she escaped, telling her that he's always there, always watching. The police say there's nothing they can do, and Cass resigns herself to live in fear until she reconnects with three old friends-three girls ready to exact vengeance on those who wronged them"--

"James always knew moving from Texas to Oregon was going to be horrible. But no sooner have he and his family arrived ... than he starts getting mysterious letters from someone called the Keeper. Someone who claims to be watching him ... James and his sister, Ava, are obviously in danger. But the problem with having a history of playing practical jokes is that no one believes James--not even his parents"--

"It's springtime in Rosewood, but while everyone else is searching for the perfect prom dress, Hanna, Spencer, Emily, and Aria are on a different kind of hunt: They're looking for A. Hanna puts her campaign for prom queen on the back burner to volunteer at a burn clinic, where one of A's victims is recovering. Emily digs into Ali's past at the mental hospital with some very crazy consequences. Spencer contacts an amateur private eye to help her stalk...

High school seniors Aria, Emily, Hanna, and Spencer have all done horrible things -- things that would put them behind bars if anyone ever found out. And their stalker 'A' knows everything. So far A has kept their secrets, using them to torture the girls. But now A's changed the game. Suddenly the girls are hauled in for questioning, and all their worlds begin to unravel. If A's plan succeeds, Rosewood's pretty little liars will be locked away for...