A profound celebration of books, proving that stories make us who we are. When a young boy called Book asks his mother why she named him Book, she says, 'Because your life is a story. You can write it however you want.' As he grows older, Book lives out different kinds of stories: an adventure book as he climbs the tallest tree, a joke book when he's with a friend and an encyclopaedia when he fills his head with facts. He also learns to turn to stories for comfort when something awful happens. And as his mum said, it's up to him to write the next chapters ...