Goosebumps Slappyworld Series 6 Books Collection Set (Books 1 - 6) by R.L. STINE
(, I Am Slappy's Evil Twin, Ghost of Slappy & MORE!). Format: Paperback. Titles in this set 6) The Ghost of Slappy. 9781338222999- ISBN-13. 978-1338222999 - ISBN-13. Language: English. Publisher: Scholastic USA.