| Title | Date of first
publication | Alternative title | Notes |
|---|
| The Hidden Heart | |
| The Kiss of the Devil | |
| The Knave of Hearts | | The Innocent Heiress |
| The Little Pretender | |
| A Ghost in Monte Carlo | | Adapted into the John Hough film A Ghost in Monte Carlo |
| Love is an Eagle | |
| Cupid Rides Pillion | | The Secret Heart | Adapted into the film The Lady and the Highwayman |
| Love is the Enemy | |
| Elizabethan Lover | |
| Love Me for Ever | | Love Me Forever |
| Desire of the Heart | |
| The Enchanted Waltz | |
| The Coin of Love | |
| The Captive Heart | | The Royal Pledge |
| Stars in My Heart | |
| Sweet Adventure | |
| The Golden Gondola | |
| Love in Hiding | |
| The Smuggled Heart | | Debt of Honor |
| Love Under Fire | |
| Messenger of Love | |
| The Wings of Love | |
| The Hidden Evil | |
| The Fire of Love | |
| The Unpredictable Bride | |
| Love Holds the Cards
|