Catholic Church books in order
10 books in the catalogue, about 104 hours of reading in all; the shortest takes 6 hours and the longest 18 hours.
10 standalone books in the catalogue.
Standalone books
The Roman Breviary 5.9 h 
Missale Romanum 11.6 h 
Martyrology 8.1 h 
The Catechism of the Council of Trent 9.4 h 
Ceremonial of Bishops 6.3 h 
Holy Communion and Worship of the Eucharist Outside Mass 8.1 h A Short Breviary for Religious and the Laity 17.5 h 
Misal Diario y Vesperal 11.4 h 
Catechism of the Catholic Church 13.9 h The Raccolta 11.6 h