R.L. Stine 
Streets of Panic Park [EPUB ebook] 

In this spinoff to the New York Times-bestselling Goosebumps series, kids held captive in an abandoned theme park band together to beat an evil villain.Brother and sister Luke and Lizzie think they’ll be safe in Panic Park. But they’re wrong. Because Panic Park is home to The Menace, a two-faced villain with a twisted plan to trap them forever. To beat The Menace and his rotten crew, Luke and Lizzie must team up with an old foe. But will they be double-crossed again?