Complex sentence: Like all the preceding books in the series it is set in the Thirty Years'War, the series deals with history and political life, American culture and a host of other things taken for granted in today's First World countries.
Split into simpler sentences: Like all the preceding books in the series it is set in the Thirty Years'War. The series deals with history and political life, American culture and a host of other things taken for granted in today's First World countries.