Un agujero en la alambrada

Dentro de tu cabeza, el cerebro es como un director de orquesta. A partir de las órdenes que envía ¡podrás descubrir cómo funciona el cuerpo por dentro! ¡Levanta las solapas de esta guía visual con curiosidades y anécdotas para descubrir cómo trabaja el cuerpo POR DENTRO!

Introduces the life and times of Underground Railroad and anti-slavery leader Harriet Tubman and explains her place in American history.

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

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.