R.L. Stine 
Night of the Living Dummy I [EPUB ebook] 

They’re baa-ack! Make way for the bestselling children’s series of all time! With a fresh new look, GOOSEBUMPS is set to scare a whole new generation of kids. So reader beware—you’re in for a scare! Kris’s twin sister has just gotten a ventriloquist’s dummy and it’s all anyone — their parents, their friends — seem to care about. Kris is tired of being ignored so she gets a dummy of her own. But double the dummies start to mean double the trouble…and horror.