Save the world - but live forever. Peter and Festival have a terrifying choice to make … Save the world - but live forever. Peter and Festival have a terrifying choice to make … When Peter and his friend Festival destroyed the book called How To Live Forever so it could no longer work its spell, they didn’t know it would have disastrous consequences. Now, Peter’s world is in the worst drought ever - and Festival’s world, inside the museum, is drowning. The only solution is to re-create the book. Can they reverse the water flow? And if they re-create the evil book, can they hide it so it can never be read again?