The Sleepwalker (Fear Street, #6)

"Somebody help—don't let me sleepwalk again!" One week after she starts her summer job on Fear Street with old Mrs. Cottler, Mayra Barnes begins to sleepwalk, waking up in the dead of night not knowing where she is. Mayra becomes even more terrified when she discovers Mrs. Cottler may be a witch... Is the old woman casting spells on Mayra? To add to Mayra's horror, she is being followed by a menacing stranger who seems to recognize her—but she's never seen him in her life! Mayra's sleepwalking is leading her into more and more peril. She soon realizes she must take action. She must find out what is happening to her—or she may never leave Fear Street alive!