Appendix EN to date (43 entries, plus 2 for Top Secret):
Abercrombie, Joe: “First Law” series
Adams, Douglas: “Hitchhiker's Guide to the Galaxy” series
Adams, Robert: “Horseclans” series
Aspirin, Robert, editor: Thieves World, Tales from the Vulgar Unicorn, and Shadows of Sanctuary especially, but the rest of the series and the spin-off novels are worth reading too.
Blackwood, Algernon: included in the original version of the Appendix N listing in TD#4, but not in the [FONT="]DMG[/FONT] list
Bradley, Marion Zimmer: “Darkover” series
Brooks, Terry: “Shannara” series
Brust, Steven: “Vlad Taltos” series
Cherryh, C.J.: “Morgaine” cycle; “Ealdwood” stories
Clark, Susanna: JONATHAN STRANGE AND MR. NORREL; et al.
Cook, Glen: "The Black Company" series, et al
Cornwell, Bernard: "Warlord" series
Dumas, Alexandre: THE THREE MUSKETEERS; et al.
Eco, Umberto: NAME OF THE ROSE
Eddings, David: “Belgariad” series; et al.
Erikson, Steven: “Malazan” series
Feist, Raymond E.: “Magician” series; “Empire” series
Flanagan, John: “Ranger's Apprentice” series
Gaiman, Neil: “Sandman” series; AMERICAN GODS; et al.
Gemmell, David: “Drenai” series; “Rigante” series; et al.
Goodkind, Terry: “Sword of Truth” series
Herbert, Frank: “Dune” series; et al.
Hobb, Robin: "Farseer" trilogy; "Tawny Man" trilogy; "Soldier Son" trilogy; et al.
Holdstock, Robert: “Mythago Wood” series; et al
Holmes, John Eric: The Maze of Peril and associated short stories
Jacques, Brian: “Redwall” series
Jemisin, N.K: "The Hundred Thousand Kingdoms" series
Jordan, Robert: “Wheel of Time” series; et al.
Kay, Guy Gavriel: TIGANA; "Fionavar Tapestry" trilogy
Keyes, J. Gregory: "Fool Wolf" stories; "Kingdoms of Thorn and Bone" series; "Chosen of the Changeling" series
Kurtz, Katherine: “Deryni” series
Lynch, Scott: "Gentleman Bastard" series
Martin, George R.R.: “Game of Thrones” series
McKillip, Patricia: "The Riddle-Master of Hed" trilogy; et al.
Mieville, China: "Bas-Lag" series
Modesitt Jr., L.E: “Magic of Recluse” series
Moon, Elizabeth: “Paksenarrion” series
Peak, Mervyn: “Titus Groan” trilogy
Pratchett, Terry: "Discworld" series, et al.
Pullman, Philip: "His Dark Materials" trilogy
Ramsey, Mark: “Falcon” series
Roberson, Jennifer: “The Chronicles of the Cheysuli” series
Rothfuss, Patrick: NAME OF THE WIND; WISE MAN’S FEAR
Rowling, JK: "Harry Potter" series
Simmons, Dan: “Hyperion Cantos”
Verne, Jules
Weis & Hickman: "Dragonlance Chronicles", "Dragonlance Legends" (only).
Whyte, Jack: various Arthurian books.
Wolfe, Gene: “Book of the New Sun” series; “Wizard/Knight” series; et al.
For Top Secret:
Ahern, Jerry: “Survivalist” Series
Pendleton, Don: “Mack Bolan” series