ISBN-13: 9781848120655 / Angielski / Miękka / 2010 / 160 str.
Cassie can't wait to return to Sandringham Dance School, she has been missing her friends and the dance lessons she has come to adore. What's more, the sand dancers will be performing 'Blue Moon Ballet' to all the other sand sprites. But the term turns out to be full of intrigue and mystery.