When Dad tells Luna and her little sister Aurora that they’re moving to live in a real tower, it’s almost like they’ve stepped inside a fairytale.

But everything is not as magical as it first seems. The tower needs patching up, Dad still doesn’t have a job and they’re not even allowed in the room up at the very top.

When it’s time to start at their new school, Luna quickly finds a friend, but six-year-old Aurora absolutely hates the children in her class. She prefers to spend her time with her imaginary friend Tansy. Aurora’s make-belief life causes problems for them all - and it seems like Aurora really believes Tansy exists...

Is there really a curse on the tower - and will Luna be able to break it?

JACQUELINE WILSON

She wrote her first novel when she was nine years old, and she has been writing ever since. She is now one of Britain’s bestselling and most beloved children’s authors. She has written over 100 books and is the creator of characters such as Tracy Beaker and Hetty Feather. More than forty million copies of her books have been sold.

As well as winning many awards for her books, including the Children’s Book of the Year, Jacqueline is a former Children’s Laureate, and in 2008 she was appointed a Dame.