To Mourn a Murder — Joan Smith

Regency ladies are being blackmailed for their most intimate secrets -- and for just the amount of money they can be expected to raise quickly. The Berkeley Brigade -- Lord Luten, his fiancé, Corinne deCoventry, Sir Reginald Prance and Coffen Pattle, assisted by Lord Byron -- are time-after-time outwitted by this mysterious villain. But when a milliner in Brighton is murdered, the pieces start to fall into place… Sixth of the Berkeley Brigade mysteries. Regency Mystery/Romance by Joan Smith; originally published by Belgrave House/Regency Reads