Books like The Ransom of Mercy Carter
Caroline B. Cooney
The Ransom of Mercy Carter is 249 pages, about 4 hours 34 minutes at 250 words a minute.
8 books to read next
How long each takes
The Light in the Forest 3.1 h 
Children of the Longhouse 2.8 h 
Skeleton Man 2.1 h 
Dear America 3.5 h 
Indian Captive 5.5 h 
Ribbon Rescue 34 min 
Avoid Being a Tudor Colonist! 35 min 
A History of US-The First Americans (Prehistory-1600)#1 3.3 h Bar height shows length. Estimated at 250 words a minute.