'Gretta, the golden swan, was excited to see her beloved royal family arrive for a visit to their country estate. The royal twins and their mother were just as excited to be visiting Gretta for the summer holidays.
'But they didn’t know the trouble the twins would find themselves in.
'Lost in the forest, the twins waited to be rescued, but didn’t expect it to be Gretta who found them.
'Is she clever enough to help the search party find them?
'And will she achieve her fondest wish?' (Publication summary)