Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | The Letter | 2013 | Kathryn Hughes | Buy |
| 2 | The Secret | 2016 | Kathryn Hughes | Buy |
| 3 | The Key | 2018 | Kathryn Hughes | Buy |
| 4 | Her Last Promise | 2019 | Kathryn Hughes | Buy |
| 5 | The Memory Box | 2021 | Kathryn Hughes | Buy |
Kathryn Hughes writes standalone historical fiction, so each novel tells its own complete story without connections to the others. What ties them together is her signature dual-timeline approach: a present-day discovery leads a character to unravel a mystery rooted in the past.
The Letter kicked things off in 2013 and remains her best-known book. The Secret (2016) and The Key (2018) followed the same formula to strong reader response, and Her Last Promise (2019) and The Memory Box (2021) continued her run of character-driven historical fiction. Readers who enjoy one Hughes novel will likely enjoy them all, since the tone and structure remain consistent across her work.