Books like Decision at Doona
Anne McCaffrey
Decision at Doona is 245 pages, about 4 hours 30 minutes at 250 words a minute.
12 books to read next
How long each takes
First Lensman 5.6 h 
The Martian Chronicles 4.8 h 
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Red Mars 10.9 h 
The Naked Sun 4.2 h 
Stories of Your Life and Others 5.8 h 
Lord of Light 5.1 h 
The Stars, Like Dust 4.2 h 
Gateway 5.7 h 
The Wanderer 5.9 h 
Seveneves 15.8 h 
Children of the Mind 7.0 h Bar height shows length. Estimated at 250 words a minute.