Start with high-confidence zoos books, then narrow by subgenre or adjacent topics.
Fiona the Hippo
Zondervan
Meet Fiona the Hippo
Curious About Orangutans
Gina Shaw
What Do You Do If You Work at the Zoo?
Steve Jenkins, Robin Page
Cubs in the Tub
Candace Fleming
Saving Fiona
Thane Maynard
Claude
Emma Bland Smith
Peek Inside the Zoo
Anna Milbourne
