Books like The Kidnapped Prince
Olaudah Equiano
The Kidnapped Prince is 133 pages, about 2 hours 26 minutes at 250 words a minute.
9 books to read next
How long each takes
To Be a Slave 2.9 h 
Freedom Train 3.5 h 
Amos Fortune, Free Man 3.3 h 
Harriet Tubman, Conductor on the Underground Railroad 4.5 h 
Who Was Harriet Tubman? 2.1 h 
A Voice of Her Own 44 min 
Moses 50 min 
Escape North! 53 min 
Go Free or Die 1.2 h Bar height shows length. Estimated at 250 words a minute.