Books like Claudia and the Middle School Mystery.
Ann M. Martin
Claudia and the Middle School Mystery. is 139 pages, about 2 hours 33 minutes at 250 words a minute.
How long Claudia and the Middle School Mystery. takes to read
12 books to read next
How long each takes
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Kristy's Great Idea 3.4 h 
Boys Against Girls #17 1.9 h 
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The Homework Machine 2.7 h 
Awkward 3.9 h 
The Cheater 2.8 h 
Crush 4.3 h 
The Perfect Score 6.8 h 
Cheat Sheet 1.9 h 
Navaeh Seadooll 2.7 h Bar height shows length. Estimated at 250 words a minute.