A level 1 guided reader about things that are found in the sea. Written and spoken words can be repeated.
A song about one of mother nature's greatest mysteries.
While Isaac Newton is counting apples, he makes a startling discovery.
A fascinating look at one of the oldest, most diverse groups of animals on Earth.
Hey! Some basic physics in a cool tale about a kid who buys a high-bounce ball. Broken? No; go figure it, and maybe warn any passing birds to fly real high...