Un día en... el Imperio Romano (Un día en...)

Dragonflies are large flying insects known for their brightly colored bodies and see-through wings. They are among the fastest insects in the world. Learn more about these amazing animals in Dragonflies, a Fascinating Insects book.

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

¿Qué tienen que ver el 2012, el calendario maya, la geometría sagrada y el segundo advenimiento de Cristo? La respuesta puede estar en unos bellos y misteriosos diseños que desde hace más de treinta años aparecen en los campos de cereales de varios países. Se conocen como crop circles o círculos en los cultivos. Aunque en su mayor parte se manifiestan al sur de Inglaterra, muy cerca del templo de Stonehenge, existen registros de ellos en al menos cincuenta países de los cinco continentes. ¿Quién y cómo los hace? Nadie lo sabe a ciencia cierta, los autores de los crop circles...

This nonfiction Spanish book teaches students about producers and consumers, and introduces them to important scientific concepts and vocabulary terms like nutrient cycle, food web and photosynthesis. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.