The best part of this book is its illustrations. They are vibrant and beautiful with lots of eye-catching motion. The pages are cut out, so each page gets bigger until you reach the last full pages.

The captions are a bit advanced for the target age group. There are certain words and concepts that will no doubt inspire children to ask questions, which may result in having to do a bit of outside research. For instance, if seahorses don't have stomachs, where does their food go? And what is nacre?

The last page is also oddly different from the rest of the pages. Rather than having a coral reef background, it's a plain blue page with small square images and captions. There is no real order to how the images are presented.

I really enjoyed the illustrations, but I'd like to see a bit more organization and perhaps even a short glossary for unfamiliar terms.

I received a digital ARC of this book in exchange for an honest review. Thank you to NetGalley and Happy Fox Books.