Blood on My Hands

“[T]his is a rare teen thriller with an actual mystery that is as quickly paced as it is heart wrenching.” —Booklist
 
All it takes is one second. One stupid move. One click of a cell phone.

When Callie discovers Katherine sprawled on the ground, she bends down to help her. It's only natural—the party's been a bit wild. And it's only natural for her to pull out the fake knife, irritated at one mor...