The Life of Flavius Josephus (Greek: Ἰωσήπου βίος Iosepou bios) is an autobiography by the historian Josephus, defending his role during the First Jewish-Roman War.
Free Online Texts
Internet Archive: The Complete Works of Flavius Josephus, translated by William Whiston (1901). Multiple formats.
PACE: Life of Josephus. Greek and English translation by William Whiston. HTML format.
Sacred Texts: The Works of Flavius Josephus, translated by William Whiston. HTML format.
Wikisource: The Life of Flavius Josephus: Translated by William Whiston. Online, downloadable as PDF/MOBI/EPUB.
Librivox: Minor Works of Josephus - public domain audiobook.
Wikipedia: The Life of Flavius Josephus.
The Great Conversation: Further reading at Tom's Learning Notes
Tacitus: The Histories - Book V deals with the Jews and the Roman military campaign against them.
Ancient Greek resources: Learn to read Greek classics in the original.