El gran libro de los records

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make...

Learn how zookeepers at the National Zoo keep the animals healthy and happy. This Spanish book features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

El trabajo infantil en la agricultura, tanto por su volumen y amplitud, como por sus características específicas como sector, representa una de las prioridades de acción más urgentes, tanto en la región de América Latina y el Caribe como en todo el mundo, para redoblar el ritmo del progreso hacia el logro del objetivo 8.7 de eliminar el trabajo infantil en todas sus formas para 2025, una parte fundamental de los Objetivos de Desarrollo Sostenible (ODS) acordados en la Agenda Global 2030. Este estudio tiene como objetivo contribuir a la prevención y erradicación de el trabajo infantil...

"This oversized book introduces children to the alarming number of species that are endangered, threatened or, unfortunately, extinct. It includes amphibians, birds, mammals, reptiles, and fish, devoting an entire page to each animal. Readers will learn the threats facing each one, where each one lives or lived, including the type of habitat, its diet, size, and ongoing conservation efforts."