Cómo funcionan los ecosistemas

Seis títulos componen esta original colección, que recrea emotivas historias en las que los protagonistas (animales) hojean un álbum de fotos en el que pueden rememorar los momentos más entrañables de su vida en familia. Estos libros invitan a los niños y niñas a coleccionar dibujos, fotografías... para imitar al personaje, desarrollando de esta manera una actividad muy creativa e interesante para su desarrollo emocional. Concha López Narváez, autora consagrada y merecedora de numerosos premios, ha escrito los textos. Las ilustraciones de Rafael Salmerón reflejan, con gran calidad...

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

Learn about the rich history of Mission San Francisco de Asís: how it started, the people who ran it, the indigenous population, and its legacy today.

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.