The product is a lot of 4 vintage Goosebumps books by R.L. Stine, including titles #5, #6, #8, and #9 from the SlappyWorld series. Published in 1993-2000 by Vintage Books, these paperback books are in English and fall under the horror genre with a focus on ghosts. The vintage nature of these books adds to their collectible value for fans of the Goosebumps series and R.L. Stine's work.
eBay