Thomas Merton books in order
13 books in the catalogue, about 54 hours of reading in all; the shortest takes 2 hours and the longest 8 hours.
13 standalone books in the catalogue.
Standalone books
The Seven Storey Mountain 8.0 h 
Seeds of Contemplation 3.6 h 
No Man Is an Island 4.8 h 
Thoughts in Solitude 2.3 h 
Spiritual Direction and Meditation 2.0 h 
The Wisdom of the Desert 1.8 h 
New Seeds of Contemplation 5.5 h 
Conjectures of a Guilty Bystander 6.4 h 
Mystics & Zen Masters 5.6 h 
The Way of Chuang Tzu 2.9 h 
Zen and the Birds of Appetite 2.6 h 
Contemplative Prayer 2.6 h 
Watch For The Light 6.3 h