What comparison does the author make between taking music from the internet and taking a cd from the music store

One way that the novel differs from earlier literary works is that novelists often leave out many details associated with the setting novels only portray positive aspects of heroes and other important figures characters' personalities in novels are only revealed through dialogue readers are often able to relate better to the characters in novels

Which theme do all rivers run to the sea and maus share?

What would be a good starter sentence for writing a review over hidden figures?