NO ANSWER - Fear Street Seniors #4 by R L Stine Author of Goosebumps - Rare Vintage Paperback Bestseller First Print Teen Thriller Halloween

Two months after her sister Justine falls down the stairs to her death, Clarissa Turner hears from her sister through a telephone psychic, who brings the information that Justine has been murdered, and Clarissa soon realizes that she may be the next target. 

by R. L. Stine (Goosebumps)