Knock Knock Whos There
Sally Grindley
Paperback
(Puffin, Feb. 6, 1996)
First at the door is a great big gorilla with fat furry arms and white teeth. Next time there's a wicked old witch at the door, then a creepy ghost, then a fierce dragon. Each time there's a knock at the door, there's a different monster, but each time they're wearing the same tartan slippers.
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