Books like El Diario de Pedro
Pam Conrad
El Diario de Pedro is 80 pages, about 1 hour 28 minutes at 250 words a minute.
9 books to read next
How long each takes
Diario 4.4 h 
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Geography Made Easy 6.7 h 
You Wouldn't Want to Sail with Christopher Columbus! 35 min 
Follow the Dream 40 min 
Who Was Christopher Columbus? 2.1 h 
Christopher Columbus 53 min 
Henry Reed, Inc 4.4 h Bar height shows length. Estimated at 250 words a minute.