Explore the mysterious world beneath the sea with this captivating hardcover book from National Geographic. Written by James Dugan, it provides an in-depth look at the fascinating Earth science of oceanography. Published in 1973, this vintage edition is perfect for young adults, ages 9-12, and adults alike who are interested in science and the wonders of the ocean.

This activity book comes with a dust jacket and features stunning photographs that bring the underwater world to life. Despite some acceptable wear and tear, the book is in very good condition and shows only minor edge defects. This is a must-have for any oceanography enthusiast or National Geographic collector.