¿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.

At an early age, Steve fell in love with the possibility of the computer machine. He knew it had the power to change someone's life. Inspired to create a personal computer accessible for everyone, Steve went on to become one of the most influential inventors the world has ever met. This inspiring story of the visionary and entrepreneur features a facts and photos section at the back.

La Segunda Guerra Mundial, la invasión nazi en Polonia, el comunismo y la persecución religiosa, la muerte de los seres más cercanos... Karol Wojtila no sólo superó los tiempos difíciles de su país, sino que su liderazgo guió, entonces como estudiante y sacerdote, y después como obispo y Papa, a toda la sociedad hacia los ideales de tolerancia y educación para la paz que necesitaba el mundo. Ideales que siguen presentes pocos años después de su muerte.

El autor recuerda a los niños su propia infancia, a través de unos hermosos poemas, nostálgicos y optimistas al mismo tiempo, y les despierta la inquietud por el conocimiento y el desarrollo cultural.

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...