Scholastic Trade Paperback, copyright 1971 with 80 pages. Black & white illustrations and braille alphabet to feel on back cover. Louis Braille was only twelve years old. And he was blind. He made up his mind somehow he was going to invent and easy way for all blind people to read and write. It took Louis three years to work out his alphabet of raised dots.
Opo gave children rides on her back; Spray was the first dolphin born in a tank; Doris and Buzz talked to each other; and Tuffy was trained to save lives. Readers meet these fascinating creatures and others while learning how dolphins survive, how scientists study them and more.