Entertaining, so many characters and stories squashed into one place. As a family tree, stories branching from and linking to one another. Remembered and recognised names put into context and glimmers of known stories, though with new revelations or endings, like Pandora was the first human woman.
Many of the stories unknown, non-blockbuster myths, earlier than Hercules etc. Lots of origin stories, or snippets of reasons or origins of animals within stories. Fry is an adept and entertaining guide through the centuries and centuries of re-telling.