An estuary is a body of water where fresh water from rivers mixes with the salt water of the ocean. An estuary may also be known as a bay, harbor, inlet, lagoon, or sound. Estuaries are home to a variety of plants and animals. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with video, audio, weblinks, slide shows, activities, hands-on experiments, and much more. Published by Weigl Publishers in July, 2013.