Music, thunder, sirens, laughter, birdcalls, footsteps: A child's world is full of sounds. This book introduces children to the concept of sound waves and encourages them to observe the sounds-loud or soft, high or low-in their world.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.