World-Building (Science Fiction Writing)
Space Travel: A Writer's Guide to the Science of Interplanetary and Interstellar Travel (Science Fiction Writing Series)
World-Building (Science Fiction Writing Series)
The Craft of Writing Science Fiction That Sells
The Writer's Guide to Creating a Science Fiction Universe
Writing Monsters: How to Craft Believably Terrifying Creatures to Enhance Your Horror, Fantasy, and Science Fiction
Time Travel: A Writer's Guide to the Real Science of Plausible Time Travel
The Art of Language Invention: From Horse-Lords to Dark Elves, the Words Behind World-Building
The Planet Construction Kit
The Language Construction Kit