Expansión de la nación (Expanding the Nation) 6-Pack

Even the smallest tide pools are actually entire ecosystems! The creatures that call a tide pool home are connected through food chains that represent the passing of energy from one living thing to another. Readers discover how these unique food chains all come together as they view a helpful tide pool food web. Fun fact boxes accompany informative text about life in a tide pool. Detailed photographs of tide pool ecosystems introduce readers to a variety of cool creatures.

Qué mejor forma de aprender el abecedario que jugar con las palabras. Una compañía de circo recorre estas páginas: cuatro contorsionistas consiguen cualquier cosa, domadores de dinosaurios, gimnastas gruñonas o malabaristas miopes, entre otros muchos. Todos los personajes deben darse prisa para no perder el tren de la compañía. Y el circo al completo viaja hasta su destino. En este libro todo es posible, la única regla la dicta el orden del abecedario.

George W. Bush grew up in a prominent political family in Texas. After serving as Texas governor, Bush followed his father's footsteps in becoming President of the United States. This Spanish-translated biography allows readers to discover the life of George W. Bush and explore some of the impacts he made as president through acts like No Child Left Behind. Readers will also learn of the many unexpected challenges Bush faced, such as the al-Qaeda attack on September 11, 2001, the War on Terror, and the Iraq War. The engaging facts, vibrant images, and supportive text work in conjunction with...

Dams change the landscape, providing reservoirs of freshwater and even producing electricity. Discover the engineering behind dams.