Ayudando a Ana (Helping Hannah)

Mammals are a very diverse group. From whales and dolphins that give birth in the water to platypuses that lay eggs, these life cycles can often seem very different. However, they’re very similar. Readers learn the basic structure of the mammal life cycle through simple language and accompanying diagrams that show the cycle step by step. The main content offers a way for struggling readers to more easily learn an important science curriculum topic, but can also be a great review tool for any reader.

Estudio completo y actualizado de la Geografía española, planteado con un carácter eminentemente práctico para que los alumnos puedan superar con éxito las pruebas de acceso a la Universidad (PAU).

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...

¡Bienvenidos a la gran fiesta de los números! Esta fiesta tiene los mejores invitados: ¡hay números por todos lados! Uno tras otro van llegando cada vez, ¡empieza el cero y llega hasta el diez! Aprende con Los Cokitos es la nueva colección de la maestra Elisa Reyes, creadora de Los Cokitos. Con los Animágicos descubrirás el animal que se esconde detrás de cada número: la jirafa es el uno, ¡y el patito es el dos! - Una lectura para toda la familia. - Una aventura matemática con la que aprender de forma acumulativa. - Unos protagonistas de lo más adorables. - Una historia rimada...