Complex sentence: Bogle's next book, a biography of actress Dorothy Dandridge, caused a sensation before its 1997 publication, as several Black performers fought to make a film about Dandridge's life.
Split into simpler sentences: Bogle's next book, a biography of actress Dorothy Dandridge, caused a sensation before its 1997 publication. It sparked renewed interest in Dandridge's life, and several Black performers raced to make a film about Dandridge's life.