She mustn't be seen. It was the oldest rule of time travel yet one of the hardest to follow. Hermione is thrown back to the year 1983 and the only way to return is to be seen.

She mustn't be seen. It was the oldest rule of time travel yet one of the hardest to follow. Hermione is thrown back to the year 1983 and the only way to return is to be seen.

She mustn't be seen. It was the oldest rule of time travel, simplest to say yet the hardest to follow. Hermione is thrown back to the year 1983 and the only way to return is to be seen.