Gaius books in order
Roman jurist (2nd century AD)
- Lived
- 120–180
- Country
- Ancient Rome
- Books
- 1
Gaius published 1 novel, beginning with Institutes (161).
Updated September 2026
Where to start with Gaius

Start here
Institutes
Gaius's most-read book.
Gaius books in order of publication

Institutes (161)
About Gaius
Gaius was a Roman jurist. Little is known about his personal life, including his name. It is also difficult to ascertain the span of his life, but it is assumed he lived from AD 130 to at least AD 179, as he wrote on legislation passed within that time.
Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.
Gaius FAQ
- How many books has Gaius written?
- Gaius published 1 novel that we list, as of September 2026.
- What order should I read Gaius's books in?
- Publication order is a safe choice; the full list is above. Most readers start with Institutes.
- What is Gaius's last book?
- Institutes (161).
- What is Gaius's most famous book?
- Institutes (161) is Gaius's most widely read book.
Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers. Last updated September 2026.