Books like The Heart and the Bottle
Oliver Jeffers
The Heart and the Bottle is 32 pages, about 35 minutes at 250 words a minute.
10 books to read next
How long each takes
I Miss You 35 min 
Summerlost 5.1 h 
My Sister Lives on the Mantelpiece 4.4 h 
The Memory String 44 min 
My Heart 36 min 
Things We Know by Heart 5.5 h 
Michael Rosen's Sad Book 35 min 
The Red Tree 35 min 
Today I Feel Silly Display 35 min 
See You at Harry's 5.8 h Bar height shows length. Estimated at 250 words a minute.