Book 'Merlind and Walpurgis Night'

Merlind and Igor should have left for the Walpurgis Festival long ago.
But Igor accidentally sits on the broomstick that is supposed to fly them there.
Now Merlind has to magically heal him again.
Will the clumsy little sorceress manage it?
Hopefully, otherwise they'll have to stay home!
Suddenly, Igor notices a faint tingle between his shoulder blades...