"The Phonic Sound Wave Echo DVD Approximate running time is 45 to 50 minutes. Full color motion picture presentation.The Science behind Reading as it ties into Echolocation, Echoes, Sound, Waves and Sound Waves links an observation which reveals whats really going on behind the letter characters of the Alphabet and the eye of the reader as this book will have you taking a second look at the alphabet...you won't believe your eyes when you see what you missed the first time you were introduced to the Alphabet..." This product is under the Listen With Your Eyes See/Sea Sound Trademark....Registered in the United States Patent and Trademark Office...Copyright 1996-2012, Library of Congress,All Rights Reserved.Contact The School of Fish Academy at Email address: help@followthefish.org...Welcome...