All art is propaganda
George Orwell
Constellation of Genius: 1922: Modernism Year One
Kevin Jackson
Ents, Elves, and Eriador
Matthew T. Dickerson & Jonathan Evans
In Other Worlds: SF and the Human Imagination
Margaret Atwood
The Road to Middle-Earth
Tom Shippey
Shakespeare's Words: A Glossary and Language Companion
David Crystal
She: A History of Adventure
H. Rider Haggard