Complex sentence: Besides critical success, the book sold nearly a million copies at university campuses, where it was used as a history textbook; critics found it "skeptical, fresh, revisionary, occasionally ironical, without being harsh or merely destructive" Pole (2000).
Split into simpler sentences: Besides critical success, the book sold nearly a million copies on campuses where it was used in history classes. Critics found it "skeptical, fresh, revisionary, occasionally ironical, without being harsh or merely destructive" Pole (2000).