'Is there any food that doesn't have legs?' asked Turvy.

'Worms,' said his mother.

'They taste like dirt.'

'Snakes,' suggested his father.

'Snakes bite my tongue,' Turvy said.

Topsy and Turvy are different. Topsy the fruit bat hates fruit.

Turvy the owl hates worms, centipedes and snakes.

One day they learn why.