Tested

A revealed secret threatens the friendship between two high school girls. 

Monica's Secret is the School's Newest Rumor . . .

. . . and she thinks I'm the one who told. If my best friend can't trust me, who can she trust? And with Brad, things aren't going great either. —Claudia 

My Secret was Supposed to Stay a Secret . . .

. . . and now everyone knows. Was it my best friend? Rory and I are already in trouble, and I don't know who to believe. —Monica 

Did Claudia spill her best friend's secret?

Diana Gallagher's Claudia and Monica: Freshman Girls series

New Firsts (#1)

Homecoming (#2)

Haunted Love (#3)

Tested (#4)