Books like Heidi
Mary Sebag-Montefiore, Johanna Spyri, Alan Marks
Heidi is 215 pages, about 3 hours 57 minutes at 250 words a minute.
12 books to read next
How long each takes
The Woodshed Mystery 2.9 h 
Now One Foot, Now the Other 52 min 
Grandfather's Dance 1.8 h 
All Alone 1.7 h 
Three Names 35 min 
Meet the Boxcar Children 35 min 
Mississippi Trial, 1955 4.2 h 
The Outsiders 3.5 h 
What Grandmas Do Best 19 min 
Caleb's Story 2.1 h 
We Are Okay 4.3 h 
Ghosts in the Gallery 2.5 h Bar height shows length. Estimated at 250 words a minute.