Finn was nine a few days ago. And he was given a very special present by his Gran. He had been hoping for a new digital watch, but instead, Gran gave him an old wooden box. This box, the birthday box, produced some surprising contents. Finn discovered Murtlle, a very small and round shaped magical creature living in the box. And together they enjoyed an invisible trip round the City stadium More surprising was the gift Finn was going to be given by one of his best friend at school, Nia. She is going to give him a wooden box, almost identical to the one Gran had given him A second 'birthday...

Finn was nine a few days ago, and ever since he has been bouncing from one adventure to another It all started with a surprise birthday present from Gran; an old wooden box. And what a surprise this box turned out to be. And now, in this final book in the series, Finn finds himself with three identical wooden birthday boxes, each one packed with its own special magical power. Things get more and more extreme for Finn, as he tries to make sense of all his discoveries and adventures. Everything builds to a spectacular finale for Finn, with Nia, Gran, his brother Alex, all caught up with the...