Roecker, Lisa

To avenge her best friend's death, Kate must put her relationship with Liam on hold to infiltrate the Sisterhood, a secret society at Pemberly Brown Academy.

"A . . . mystery about a girl who switches bodies with her tennis rival after an accident--and must now unravel the secrets of their impossible connection"--Amazon.com.

Kate Lowry is sick of the lies, sick of the secret societies that rule life at Pemberly Brown Academy, but there's only one way to take them down: from the inside...

Kate Lowry, having received an e-mail from her best friend who died a year earlier that made her believe the cause of death was not an accident, teams up with two classmates from her private school to uncover the truth and realizes some people have secrets that are so big they would kill to keep them hidden.

Kate Lowry's classmate at Pemberly Brown has gone missing for reasons related to the secret societies that dominate the elite private school, and Kate is determined to find answers.

A murdered victim's initials spell the secret rallying cry that spurs four very different teenaged girls to pool their considerable resources and deliver their particular brand of vigilante justice.