Catching up on Classics (and lots more!) discussion

I don't usually do challenges but I'd like to try my hands at Challenge 4 (Members Choice) and Challenge 7 (Expand Your Horizon With New Authors).

Challenge #4 - Member's Choice

Completion is indicated by ✅

✅1. 19th Century - Aurora Leigh
✅2. 20th Century - Tortilla Flat
✅️3. 21st Century Potential Future Classic - A Gentleman in Moscow
✅4. Current or Past Group Read - Nausea
✅5. An Author not read before - Émile Zola
✅️6. Diversity Classic, read a book from a religion, culture, country, or race different than yours - Demons
✅7. Science Fiction - I, Robot
✅8. A book originally written in a language other than your own - Persuasion
✅9. A Banned Book - The Grapes of Wrath
✅10. Nonfiction - The Myth of Sisyphus
✅️11. Mystery/Crime - The Mysterious Affair at Styles
✅️12. Humor - Scoop

Challenge #7 - Expand Your Horizon with New Authors

Completion indicated by ✅

✅1. Horace Walpole
✅2. Guy de Maupassant
✅3. Arthur C. Clarke
✅4. Magda Szabó
✅5. Thomas Mann
✅️6. Nevil Shute
✅7. Marlen Haushofer
✅8. Marie Corelli
✅9. Nikolai Leskov
✅10. Judith Kerr