Ken Follett books in order
28 books in the catalogue, about 319 hours of reading in all; the shortest takes 2 hours and the longest 22 hours.
2 series and 23 standalone books in the catalogue.
Kingsbridge
5 books 0 The Evening and the Morning length not known
1 
The Pillars of the Earth 19.1 h 2 World Without End length not known
3 A Column of Fire length not known
4 
The Armour of Light 17.0 h The Century Trilogy
3 books
Standalone books
The Modigliani Scandal 4.8 h 
World Without End 21.7 h 
The Secret of Kellerman's Studio 1.9 h 
Paper Money 4.6 h 
Eye of the Needle 6.2 h 
Triple 7.6 h 
The Key to Rebecca 6.5 h 
Night Over Water 9.7 h 
The Man from St. Petersburg 6.3 h 
On Wings of Eagles 8.2 h 
A Place Called Freedom 9.0 h 
Lie Down With Lions 7.0 h 
A Dangerous Fortune 11.0 h 
The Third Twin 9.2 h 
The Hammer of Eden 8.2 h 
Code to Zero 8.1 h 
Jackdaws 9.3 h 
Hornet Flight 8.8 h 
Whiteout 8.2 h 
Un Mundo Sin Fin 21.7 h 
A Column of Fire 17.1 h 
Evening and the Morning 16.1 h 
Never 15.0 h