Blowholes, Book Gills, and Butt-Breathers : How Animals Get Their Oxygen by Doug Wechsler

Explores a question unasked by any other book for young readers: What can we learn about nature and evolution from the bizarre and exotic ways some animals have evolved to get life-giving oxygen? An inquiry-based book designed to stimulate active minds; a STEM standout from a celebrated nature photographer and writer.
Binding: Hardback