The Governess Affair is a prequel novella to the Brothers Sinister series, which focuses on Oliver Marshall (Hugo and Serena’s son), the friends he makes at Eton (Robert Blaisdell, the next Duke of Clermont, and Oliver’s half-brother), Sebastian Malheur (his cousin), as well as Oliver’s youngest sister, Frederica Marshall.
You’ll see Serena, Hugo, and Freddy throughout the rest of the series, which is now complete. The whole series is:
1½. The Governess Affair (this book)
1. The Duchess War (Robert & Minnie’s story)
1½. A Kiss for Midwinter (a companion novella to The Duchess War)
2. The Heiress Effect (Oliver & Jane’s story)
3. The Countess Conspiracy (Sebastian & Violet’s story)
4. The Suffragette Scandal (Frederica & Edward’s story)
4½. Talk Sweetly to Me (a companion novella to The Suffragette Scandal)
I hope you enjoy them all!