'When she was a baby, Ruby liked making popping noises with her dummy.'Pop! Pop! Pop!'
'When she was older, she tried making scary noises instead. 'Scrrr! Screekle! Scrunch!' But she couldn't frighten anyone, not a frog, not a fish. 'Shivers!' thought Ruby. What was the scariest noise she could make?
'And she opened her mouth wide to find out...' (Publisher's blurb)