Ah, I loved Emily's book! Glad you mentioned it!
If you're looking for more books, I'd recommend:
1. "The Short Story Romance Handbook" by Hope Ford
2. "How to Write Erotica and Make Money Doing It" by Autumn Greer
3. "Be a Sex-Writing Strumpet" by Stacia Kane
4. "Publishing Erotica: The Complete Series" by Amy Cooper