Robert Harris books in order

9 books in the catalogue, about 63 hours of reading in all; the shortest takes 4 hours and the longest 9 hours.

1 series and 7 standalone books in the catalogue.

Cicero trilogy

3 books

1 Imperium 2006 7.0 h

2 Lustrum 2009 length not known

3 Dictator 2015 7.7 h

Standalone books

Fatherland 1992 7.1 h Enigma 1995 7.5 h Archangel 1998 7.9 h Pompeii (2 editions) 2003 6.5 h An Officer and a Spy 2014 4.1 h Conclave 2016 6.6 h Act of Oblivion 2022 8.8 h