"The Lives of the Twelve Caesars, Volume 01: Julius Caesar" by Suetonius is a biography written in 121 CE. This volume chronicles the life of Julius Caesar, from his youth through his legendary military conquests in Gaul and his civil war against Pompey. Suetonius recounts famous moments including Caesar's capture by pirates, his crossing of the Rubicon, and his major reforms of Roman society. The work draws from official sources and personal accounts to paint an intimate portrait of Caesar's ambition, personality, and path to power. (This is an automatically generated summary.)
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.