Goosebumps Hall of Horrors: #3 Five Masks of Dr Screem by L R Stine

Goosebumps Hall of Horrors: #3 Five Masks of Dr Screem : Hardback : Scholastic US : 9780545289368 : 054528936X : 01 Oct 2011 : When Monica Anderson and her brother knock on the door of an old, creepy house, a strange woman pleads for their help in battling the evil Dr. Screem for the control of five sacred masks. When Dr. Screem steals the masks, it sets Monica and her brother on a Halloween mission that will change their lives forever! 192 pp.