John Buchan books in order
15 books in the catalogue, about 74 hours of reading in all; the shortest takes 2 hours and the longest 7 hours.
3 series and 6 standalone books in the catalogue.
Richard Hannay
6 books
The Thirty-nine Steps 2.1 h 
Greenmantle 4.6 h 
Mr Standfast 5.8 h 
The Three Hostages 5.9 h The Courts of the Morning length not known
The Island of Sheep 4.6 h Dickson McCunn trilogy
3 books
Edward Leithen
2 books
The Power-House 2.2 h The Dancing Floor length not known
