could change objects magically? I remember that at the beginning of the book the boy was living on the streets and played the Queen switch game and never guessed wrong... Then he some how managed to change the money he had left just by willing it to change..... Later in the series he changed arrows into flowers... there are other characters its just been years since i last read these books Young adult book i believe
that is right the diadem series
that is right the diadem series