What is the narrator point of view in Sharpe's Sword: Richard Sharpe and the Salamanca Campaign, June and July 1812 by Bernard Cornwell?

Sharpe's Sword: Richard Sharpe and the Salamanca Campaign, June and July 1812 is narrated in the third-person by an omniscient (all knowing) narrator. The primary perspective of the narration is that of Richard Sharpe.