EL VIEJO Y LOS GAVILANES

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

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.

Giraffes have long necks. Hummingbirds can fly backward. These are examples of adaptation. This nonfiction Spanish book teaches students about adaptation and introduces them to important scientific concepts and vocabulary terms. 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.

La nueva XXVI Legislatura contuvo representantes de todas estas tendencias. Fue un Congreso de gran ebullición dialéctica y política. Las opiniones, la crítica, la ofensiva, la defensa se esgrimieron apasionadamente, y esa pasión repercutió en la prensa y en sectores no despreciables del público. Este libro analiza las labores de la Cámara de Diputados durante el gobierno maderista entre septiembre de 1912 y febrero de 1913, con énfasis en la relación entre ese cuerpo legislativo y el Poder Ejecutivo Federal. Se aborda también el funcionamiento de la Diputación, la formación de...