Ten Creepy Monsters

Ten creepy monsters met 'neath a gnarled pine.
One blew away,
And then there were nine.
And so the countdown begins... A mummy, a witch, a ghost, a werewolf, a vampire, and others all gather, but one by one their crowd diminishes. At last there is only one creepy monster left. But what kind of monster is it?
Squeals of laughter are sure to accompany the reading of this book f