| Clue | Source | Date |
|---|---|---|
| Author of The Grapes of Wrath | The Guardian Weekend | 22 Jul 2023 |
| Author of The Grapes of Wrath | The Guardian Quick | 26 Aug 2022 |
| American author of "The Grapes of Wrath" who also wrote the screenplay for "Viva Zapata!": 2 wds. | ||
| He wrote 'In utter loneliness a writer tries to explain the inexplicable' | New York Times | 19 Jun 2015 |
| He wrote "In utter loneliness a writer tries to explain the inexplicable" | ||
| "Travels with Charley" author |