R.L. Stine 
Why I’m Not Afraid of Ghosts [EPUB ebook] 

Oliver Brown doesnt believe in ghosts. Even though he lives in a house on Fear Street thats chock full of them! Robbie should knowhes one of the ghosts. And his new neighbor doesnt scare easyeven though hes tried everything he can think of to send Oliver screaming. Robbies got one trick left up his sleeve. And it has to work. If it doesnt, hell have to give up the ghost business forever.