The publication of the narrative of the captivity and the restoration of mrs. mary rowlandson became the first in the new england colonies.

1.puritan memoir
2.adventure novel
3.jeremiad sermon
4.'best seller'

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.