Book 1

Indiscreet

by Mary Balogh

Published 1 January 1997
"...The first novel in the Horsemen trilogy, a scandalous romance of yearning passion and dangerous desires... In the country visiting his twin brother, Viscount Rawleigh longs for a little diversion and beautiful young widow Catherine Winters seems like easy prey. But Rex's target is a lady of virtue, and when she roundly rejects his improper proposal to become his mistress, Rex finds himself faced with a delectable challenge. Catherine knows she must fight the indecent feelings the Viscount arouses within her feelings that bring to life a past she had sought to escape even as the handsome lord refuses to relent in his amorous attentions. But even though she knows one kiss could bring her to ruin, temptation proves an insurmountable foe and Catherine can not ignore the beating of her treacherous heart...."--Amazon.com.

Book 2

Unforgiven

by Mary Balogh

Published 1 July 2016
New York Times bestselling author Mary Balogh returns to Regency England in the second novel of her Horsemen Trilogy, a tale of unforgiven sins and unforgettable passion...
 
Moira Hayes hadn’t seen Kenneth Woodfall in nearly eight years. Nor did she want to see this man who stirred such feelings of anger in her. After all, their families had been rivals since their great-grandfathers’ day. And he was the reason—though indirectly—for her own brother’s death.
 
But Kenneth has returned from war and is home for good. And he isn’t willing to forget the past—a time he shared with his first and only love, Miss Moira Hayes. The moment he sees her again, he knows his future. Because Kenneth is more than willing to forgive.
 
If only Moira can too...

Book 3

Irresistible

by Mary Balogh

Published 1 October 1998
Sophie Armitage has never felt attractive to men. Even her late husband treated her more as a companion than a lover. But suddenly a longtime friendship turns into an irresistibly passionate affair...