Here are some suspenseful and somewhat scary books that you may like if you like R.L. Stine.
Where Are the Children? by Mary Higgins Clark
Here is the novel that established Clark as one of today's most phenomenally successful authors. After a terrible marriage and the tragic deaths of her two children, Nancy changes her name, hair, and residence and finally finds peace--until the nightmare begins again.
(This one is more suspense, but it will have you on the edge of your
Something Wicked This Way Comes by Ray Bradbury