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Cover of Imperium

Cicero trilogy books in order A series by Robert Harris

The Cicero trilogy series by Robert Harris has 3 books, from Imperium (Sep 2006) to Dictator (Oct 2015). Read it in order, starting with Imperium.

Reading order: 1 Imperium (2006) · 2 Lustrum (2009) · 3 Dictator (2015)

Updated September 2026

All 3 Cicero trilogy books in order

  1. 1.

    Imperium (Sep 2006)

    384 pages★ 3.8 (12 ratings)

    Buy
  2. 2.

    Lustrum (Oct 2009)

    424 pages

    Buy
  3. 3.

    Dictator (Oct 2015)

    417 pages★ 4.4 (5 ratings)

    Buy

Cicero trilogy FAQ

How many Cicero trilogy books are there?
There are 3 Cicero trilogy books, as of September 2026.
What order should I read the Cicero trilogy books in?
In publication order, starting with Imperium (Sep 2006): 1 Imperium (2006) · 2 Lustrum (2009) · 3 Dictator (2015).
What is the first Cicero trilogy book?
Imperium (Sep 2006).
What is the latest Cicero trilogy book?
Dictator (Oct 2015).
Is the Cicero trilogy series finished?
There have been no new Cicero trilogy books since 2015.

Sources: series order and dates from Wikidata and Open Library. Last updated September 2026.