Deception in Regency society - Christine Merrill

A Wicked Liaison
Constance Townley, Duchess of Wellford, has always been impeccably behaved, until she surprises a mysterious gentleman in her bedroom late at night. Her first instinct is to call for help, but when the thief apologises and kisses her for good measure, Constance knows that won't be the last she sees of this intriguing rogue.

Lady Folbroke's Delicious Deception
Lady Emily Longesley married the love of her life and hoped that he would learn to love her. Instead, he upped and left their country estate for London. Three years on, needing an heir, Emily confronts her errant husband, to find that Adrian, Earl of Folbroke, has been robbed of his sight and doesn't even recognise her!