Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | The Billionaire’s Siren | 2025 | S. E. Smith | Buy |
| 2 | The Kiss That Captured a Billionaire | 2025 | S. E. Smith | Buy |
| 3 | The Billionaire and the Girl in the Shadows | 2026 | S. E. Smith | Buy |
The S.E. Smith Signature Romance: Heart & Soul series marks a move into contemporary billionaire romance for S. E. Smith. The Billionaire’s Siren and The Kiss That Captured a Billionaire were both published in 2025, with The Billionaire and the Girl in the Shadows following in 2026.
This series represents Smith branching out from her science fiction and paranormal roots into straightforward contemporary romance. The billionaire romance genre is well-established, and Smith brings her experience writing strong romantic storylines to this new territory.