Lord Harry's Folly by Catherine Coulter

Lord Harry Monteith was the most dashing young rake that London had seen in years, unbeatable at the gaming table, irresistible to the ladies, and indifferent to danger from dueling pistols or swords.

Miss Henrietta Rolland was the dazzling young lady who reigned as queen of the London season, winning men's hearts and women's envy with her beauty, charm, and wit.

Lord Harry and Miss Hetty would have been the ideal couple--if not for the secret they shared. Both were one and the same person, for the young lady had put on lord's clothes to keep a vow of vengeance against an arrogant aristocrat who threatened to either unmask her with violence or unman her with love...

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