The Third Golden Age of Science Fiction MEGAPACK TM: Poul Anderson

The Art of Language Invention: From Horse-Lords to Dark Elves to Sand Worms, the Words Behind World-Building

The Boat of a Million Years

The Wheel of Time Companion: The People, Places, and History of the Bestselling Series

Three Hearts and Three Lions

The Complete Tolkien Companion: Edition 3

Tau Zero

Stephen King's The Dark Tower Concordance

Starfarers

Wonderbook: The Illustrated Guide to Creating Imaginative Fiction

Conan The Rebel

Exploring J.r.r. Tolkien's "the Hobbit"

World Without Stars

The Dark Tower Companion: A Guide to Stephen King's Epic Fantasy

Three Tales of Time and Space: There Will Be Time, The Enemy Stars, and Fire Time

Operation Chaos and Operation Luna

The Steampunk Bible: An Illustrated Guide to the World of Imaginary Airships, Corsets and Goggles, Mad Scientists, and Strange Literature

Brain Wave

Dreamer of Dune: The Biography of Frank Herbert