Journey to the depths of the ocean and meet the animals that live at different levels of the sea. Comparisons to familiar objects give perspective and illustrated rulers show numeric distances of each depth range. Includes a map, glossary, and further resources.

Journey to the depths of the ocean and meet the animals that live at different levels of the sea. Comparisons to familiar objects give perspective and illustrated rulers show numeric distances of each depth range. Includes a map, glossary, and further resources.