My Lady Innkeeper (a Regency Romance)

Lyndell Markham's stepbrother used her money to purchase a country inn, but she knew he wasn't guilty of spying. So she disguised herself as the innkeeper with the intention of trapping the real traitor. Unfortunately, the Marquis of Cheyne, her guest at the inn, could ruin her if he discovered her identity. Regency Romance by Barbara Metzger; originally published by Fawcett