Books like Invitation to a Beheading
Vladimir Nabokov, Dmitri Nabokov
Invitation to a Beheading is 223 pages, about 4 hours 5 minutes at 250 words a minute.
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How long each takes
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The Heart of a Dog 2.4 h 
Cancer Ward 10.3 h 
The Insulted and Injured 6.7 h 
The Eternal Husband 4.1 h 
The Death of Ivan Ilych and Other Stories 5.6 h 
The Nose 1.3 h 
Hadji Murad 3.1 h Bar height shows length. Estimated at 250 words a minute.