Books like Sea Turtles
Gail Gibbons, Paula Parker
Sea Turtles is 32 pages, about 35 minutes at 250 words a minute.
6 books to read next
How long each takes
Tess the Sea Turtle Fairy 1.5 h 
Turtle, Turtle, Watch Out! 35 min 
One Is a Snail, Ten Is a Crab 44 min 
I Wonder Why the Sea Is Salty and Other Questions About the Ocean 35 min 
Sea Creatures 35 min 
Ultimate Shark Rumble 35 min Bar height shows length. Estimated at 250 words a minute.