Plutarch’s best-known work is the Parallel Lives, a series of biographies of illustrious Greeks and Romans, arranged in pairs to illuminate their common moral virtues and vices, thus it being more of an insight into human nature than a historical account.
Plutarch’s Life of Alexander, written as a parallel to that of Julius Caesar, is one of five extant tertiary sources on the Macedonian conqueror Alexander the Great. It includes anecdotes and descriptions of events that appear in no other source