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Animals sing or talk to communicate. They make noise for different reasons. Find out why some animals make certain noises. Paired to the fiction title So Many Classes.

“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,...

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we will find in the future! This book will allow students to understand that patterns in the natural world can be observed, used to describe phenomena, ...

Estamos ante una de esas obras que ocurren raramente en las que la poesía y la vida pergeñan una intrigante apuesta: la de una autora que sin llegar a los veinte años publica un libro cuya madurez literaria aplastaría a cualquier lector. Un poemario con un interesante tono personal donde el yo poético plantea un diálogo de cuestionamiento que pone de relieve la conflictiva construcción de una identidad, y la dudosa legitimidad de esa aspiración. Algo que queda claramente reflejado en poemas como “Mi otro yo”, “Lo que quiero ser y lo que soy distan mucho de parecerse”, “La...