Ronda que ronda la ronda

This Title Explains What An Ecosystem Is And How The Plants And Animals Within An Ecosystem Rely On And Effect Its Existence. Different Types Of Ecosystems Are Described, As Well As The Food Webs Within Them. How Some Changes To An Ecosystem Can Be Good And How Some Harmful Changes Can Destroy Them. Teaches Students What An Important Role They Can Play In Keeping These Intricate Ecosystems Alive.

Recounts the life of Cuban violinist Claudio José Domingo Brindis de Salas, a black child who was born free and began his career as a musical prodigy to become a noted concert musician in Paris, while slavery still existed on the island.

Eleven-year-old Jenny, whose family came from Russia to America to start a new life, meets the famous Russian composer on his 1891 trip to the New World and writes about it in her diary.

Simple text and photographs introduce the purpose of money, how old coins and paper money are disposed of, and how new money is made.