The Symbolism and Sources of Outlander: The Scottish Fairies, Folklore, Ballads, Magic and Meanings That Inspired the Series

Speculative Whiteness: Science Fiction and the Alt-Right (Forerunners: Ideas First)

The Allure of the Multiverse: Extra Dimensions, Other Worlds, and Parallel Universes

Science-Fiction: The Gernsback Years

Afrofuturism: The World of Black Sci-Fi and Fantasy Culture

The Writing of Middle Earth: How to write the script of the Hobbits, Dwarves and Elves

Green Suns and Faerie: Essays on J. R. R. Tolkien

The Possibility of Life: Science, Imagination and Our Quest for Kinship in the Cosmos―Exploring the Fascinating History of Our Universe and the Possibility of Life Beyond Our Planet

Archaeologies of the Future: The Desire Called Utopia and Other Science Fictions

The Battles of Tolkien (Tolkien Illustrated Guides)