Books like Nancy Drew Diaries #6
Stefan Petrucha
Nancy Drew Diaries #6 is 173 pages, about 3 hours 10 minutes at 250 words a minute.
12 books to read next
How long each takes
Artemis Fowl. The Graphic Novel 2.4 h 
Automobile Electrical and Electronic Systems 7.7 h 
Watchmen 7.7 h 
Naruto, Vol 1 3.5 h 
V for Vendetta 5.4 h 
Naruto 33 3.5 h 
Fun Home 4.3 h 
Naruto 05 3.4 h 
Amulet 4.1 h 
My Hero Academia, Vol. 1 3.5 h The Dragonet Prophecy 3.9 h 
Yotsuba&! Vol 1 4.1 h Bar height shows length. Estimated at 250 words a minute.