Gene Wolfe's The Book of the New Sun: A Chapter Guide

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

The Wizard Knight Companion

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

Handbook of Vance Space

The Complete Tolkien Companion: Edition 3

Gene Wolfe: 14 Articles on His Fiction

Stephen King's The Dark Tower Concordance

Jack Vance: Seven Articles on His Work and Travels

Wonderbook: The Illustrated Guide to Creating Imaginative Fiction

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

Deciphering the Text Foundations of Traveller: and Other Essays

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

Gene Wolfe's First Four Novels: A Chapter Guide

A Chapter Guide About the King in Yellow

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

True SF Anime: Notes for Science Fiction readers who don't watch anime

Dreamer of Dune: The Biography of Frank Herbert

Roadside Picnic Revisited: Seven Articles on the Soviet Novel that inspired the film "Stalker"