Appendix E is a superset of Appendix N, but it also changes the latter by adding in recommended books for every author listed. Appendix N listed 9 authors "generally" with no specific works – essentially their whole writings. (Although in the case of H.P. Lovecraft, it literally recommends everything.) These thoughts focus on the additions.
- Ahmed, Saladin. Throne of the Crescent Moon.
- Anthony, Piers. Split Infinity and the rest of the Apprentice Adept series.
- Augusta, Lady Gregory. Gods and Fighting Men.
- Brooks, Terry. The Sword of Shannara and the rest of the Shannara novels.
- Bulfinch, Thomas. Bulfinch's Mythology.
- Cook, Glen. The Black Company and the rest of the Black Company series.
- Hickman, Tracy & Margaret Weis. Dragons of Autumn Twilight and the rest of the Chronicles trilogy.
- Jordan, Robert. The Eye of the World and the rest of the Wheel of Time series.
- King, Stephen. The Eyes of the Dragon.
- LeGuin, Ursula. A Wizard of Earthsea and the rest of the Earthsea series.
- Lynch, Scott. The Lies of Lock Lamora and the rest of the Gentleman Bastard series.
- Martin, George R.R. A Game of Thrones and the rest of the Song of Ice and Fire series.
- Pratchett, Terry. The Colour of Magic and the rest of the Discworld series.
- Rothfuss, Patrick. The Name of the Wind and the rest of the Kingkiller series.
- Salvatore, R.A. The Crystal Shard and the rest of the Legend of Drizzt.
- Sanderson, Brandon. Mistborn and the rest of the Mistborn trilogy.
- Smith, Clark Ashton. The Return of the Sorcerer.
- Wolfe, Gene. The Shadow of the Torturer and the rest of The Book of the New Sun.
There are a couple of entries in Appendix E that I'm not familiar with and have no particular comment on. But there's one omission that is really unforgivable. Catherine L. Moore's Jirel of Joiry stories are prime D&D material, written in the heyday of Weird Tales, and present one of the great heroines of sword & sorcery literature. She and her husband Henry Kuttner (who often wrote under each other's bylines) were titans of fantasy and science fiction back when there was no divide. Gygax can be forgiven if he was ignorant of Moore; Mearls and the WotC authors, in an age of the Internet and Google, can't. If you can dig up Stephen King's one mediocre fantasy novel, you can certainly spare an entry for one of the greats.
Appendix E, on the whole, probably has too many duds and too many books that are only on the list because they're popular to be a worthy successor of Appendix N. Really, the 11,000+ pages of Wheel of Time and 4,000+ pages and counting of A Song of Ice and Fire alone should disqualify it; The Lord of the Rings is the longest single work in Appendix N and it's less than a tenth as long as the Wheel of Time. Aside from Gygax's additions and a few others, I would be hesitant to put most of these books on the same level.