One of the most prevalent literary devices used in The Glass Castle is euphemism. Euphemism is so important in the book because of how it shows us how Jeannette views her past in a more joking and euphemistic way. It adds to the book by allowing the reader to view the events in the book in a different way rather than from a sadder point of view. I personally like the way the book in written in a euphemistic tone because it made it more 1/2