Alison Weir books in order
12 books in the catalogue, about 104 hours of reading in all; the shortest takes 5 hours and the longest 12 hours.
12 standalone books in the catalogue.
Standalone books
Britain's Royal Families 7.1 h 
The Six Wives of Henry VIII 11.8 h 
The Princes in the Tower 5.3 h 
The Wars of the Roses 8.5 h 
Elizabeth the Queen 9.8 h 
The Life of Elizabeth I 9.8 h 
Eleanor of Aquitaine 8.1 h 
Henry VIII 11.9 h 
Innocent Traitor 7.8 h 
Katherine Swynford 6.7 h 
The Lady Elizabeth 9.1 h 
The Lady In The Tower 8.0 h