Invitation to the World Cup

*Urgent, please read the first three books to avoid spoilers*
It's time for Jack and Harry's fourth year. With Harry and the Weasleys finally knowing Jack's secret. She no longer feels alone. But what happens when her twin is entered into a life threatening tournament? How can she protect him? When he is not allowed to have it during tasks. Also what happens when the Yule Ball comes around? Will she go as herself, as a boy or not at all? Will she have a date? If so, who? Read to find out.