Books like An Egg Is Quiet
Dianna Hutts Aston, Sylvia Long
An Egg Is Quiet is 36 pages, about 40 minutes at 250 words a minute.
7 books to read next
How long each takes
Where Do Chicks Come From? 44 min 
Chickens Aren't the Only Ones 48 min 
Plants 35 min 
The Burgess Bird Book for Children 4.3 h 
Crinkleroot's Guide to Knowing the Birds 35 min 
Pigeon P.I. 44 min 
The Pinkish, Purplish, Bluish Egg 51 min Bar height shows length. Estimated at 250 words a minute.