What makes fish unique? Which other animals live in the blue seas? How did they evolve? This encyclopedia will answer these and more whats and hows for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: the book comes loaded with Isn’t It Amazing—a section of fun facts to keep you glued for more. Optimized for digital reading, this ebook offers a smooth, immersive experience on any device.