"Did you know that sharks first appeared in the oceans 200 million years before the dinosaurs, and that they have an electrical sixth sense that helps them loca

The series that packs a world of knowledge into your pocket. Get fast facts at your fingertips with this DK Pocket Eyewitness Sharks, packed with bite-sized chu

A photo essay about the natural world of fish and their importance in human life.

Packed with fun activities, crafts, reading games, and amazing facts, kids can take a dive under the waves and meet all the colorful creatures beneath—from cl

This is an original and exciting look at the fascinating natural world of ponds and rivers. Stunning real-life photographs of fish, water beetles, frogs, underw