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"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 pterosaurs face-to-face: The Quetzalcoatlus had wings that spanned the length of a school bus! The Dsungaripterus had a bony crest on its head! The Eudimorphodon had a diamond-shaped flap at the end of its long tail! Plus you'll ...

Estudio de las "Carceri" como reflejo de la transición característica del siglo XVIII, condensada en el surgimiento de la razón y el surgimiento e inmediata crisis de la utopía de las luces.

"In Lion Cubs in the Wild, beginning readers will learn about baby lions as they grow up on the savanna in Africa. Follow along as lion cubs join the pride and learn from their moms. Vibrant, full-color photos and carefully leveled text will engage young readers as they are introduced to lion cubs' appearance, diet, behaviors, and habitat. A picture diagram labels a lion cub's body parts, while a picture glossary reinforces new vocabulary. Children can learn more about lion cubs online using our safe search engine that provides relevant, age-appropriate websites. Lion Cubs in the Wild also...

Hoy en día sería difícil concebir cualquier tipo de trabajo sin el apoyo o la participación directa de todo tipo de herramientas informáticas. Desde la aparición de los primeros ordenadores, estos han pasado a desempeñar un papel esencial en las tareas productivas, en nuestras relaciones sociales y en nuestra vida cotidiana. Entre las diversas aplicaciones informáticas, las ofimáticas (acrónimo de oficina e informática) son las que se emplean habitualmente para efectuar trabajos administrativos en el entorno doméstico o de oficina. El presente libro explica las operaciones, desde...