The Seven Princesses. Quest to Arcadia

'Tania and her sisters have never been normal, they're septuplets, but on their sixteenth birthday they are swept into Faerie where they find out just how different they really are. 'Tania and her six sisters are actually the long lost princesses of Ker Laeil. Each one is gifted with a special power that will help them save the world from total destruction. But first they must learn how to use their powers and journey across the Island of Others to Arcadia to try and find out what is going to destroy the world; for the prophecies are unclear. On the way the sisters face challenge after challenge as they travel across deserts, forests, jungles, and mountains. Will the girls make it back by the New Year? If they don't, the world will have to face the invasion alone...