Young readers focus on the importance and issues of clean water.
Young readers will discover what they can do to make greener choices as they grow up.
Los animales de distintas especies usan el camuflaje para esconderse o para imitar a otros animales; para cazar o para evitar ser la presa de otro animal.
Young readers discover what harms plant and animal habitats, and what people can do to help.
This book describes what flippers look like, and how some animals use flippers to swim or crawl. It also discusses the different animals that have flippers.