Complex sentence: Traditional Regency romance writers usually pay close attention to historical detail, as their readers are notorious for noting errors, and the authors often do extensive research so they can clearly understand and replicate the voice of the genre.
Split into simpler sentences: Traditional Regency romance writers usually pay close attention to historical detail, as their readers are notorious for noting errors. Authors of traditional Regency romances often do extensive research so they can clearly understand and replicate the voice of the genre.