Ruthless /
Sara Shepard.
- 1st ed.
- New York : HarperTeen, c2011.
- 341 p. ; 22 cm.
- Pretty little liars novel. .
- Shepard, Sara, 1977- Pretty little liars. .
9780062081865 0062081861
Friendship--Fiction. Secrets--Fiction. Conduct of life--Fiction. High schools--Fiction.