Books like Nietzsche and Philosophy
Gilles Deleuze
Nietzsche and Philosophy is 232 pages, about 4 hours 15 minutes at 250 words a minute.
7 books to read next
How long each takes
The Portable Nietzsche 12.7 h 
From Hegel to Nietzsche 8.5 h 
On the Genealogy of Morals 3.5 h 
Human, All Too Human 5.9 h 
The Philosophical Discourse of Modernity 7.9 h 
Nietzsche: Philosopher, Psychologist, Antichrist 9.6 h 
Nietzsche 9.1 h Bar height shows length. Estimated at 250 words a minute.