Books like Happy Birthday, Addy!
Connie Porter
Happy Birthday, Addy! is 60 pages, about 1 hour 6 minutes at 250 words a minute.
12 books to read next
How long each takes
Numbering All the Bones 3.1 h 
Adventures of Huckleberry Finn 6.4 h 
Ghost Hotel 3.2 h 
Dear Austin 2.5 h 
Trouble Don't Last 4.4 h 
Two Tickets to Freedom 1.8 h 
Jip, His Story 3.5 h 
Belle and the Beau 5.0 h 
January's Sparrow 1.7 h 
Freedom's Wings 2.0 h 
Steal Away 3.8 h 
With Lee in Virginia 6.1 h Bar height shows length. Estimated at 250 words a minute.