¿Foca o león marino? (Seal or Sea Lion?)

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

Color photos and easy-to-read text five a realistic insight into the typical working day of an on-the-job zookeeper.

Repleto de ilustraciones en 3D, Animales acerca al lector a un mundo en constante evolución para descubrir cómo vive y cómo se relaciona con su entorno cada habitante del planeta. Animales está lleno de divertidas curiosidades y datos relevantes de especies de todo el reino animal: desde las alas de un espectacular albatros a la majestuosidad del tiburón blanco, el libro es un repaso por todas las especies que conforman cada ecosistema por remoto que sea. Descubre todo tipo de animales, desde la diminuta pulga de agua hasta la gran ballena azul. Observa la vida animal en sus detalles...

La adolescencia femenina transforma el cuerpo por completo y forma a la futura mujer física y psicológicamente. Es una etapa difícil en la que las chicas tienen cambios de humor, miedo y en ocasiones hasta vergüenza. Sin tabúes, este libro habla claro sobre la menstruación, la virginidad, el sexo y el amor, orientando esta hermosa etapa de la vida hacia el crecimiento personal responsable.

Born into slavery, Frederick Douglass relied on his own determination and ingenuity to carve a path to freedom. Once free, he dedicated his life to improving the lives of others and fighting for justice and equality. This inspirational Spanish biography uses primary sources to engage students in learning about the fascinating life of Frederick Douglass. Students will build their literacy skills as they are immersed in social studies content. Text features include a glossary and an index to increase comprehension and academic vocabulary.