La antigua Grecia (Ancient Greece)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

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.

Sunny Hathaway tiene un amigo, su perro Flamy, y tres crueles enemigos, sus compañeros de colegio, Hank, Larry y William. Estos lo ridiculizan y humillan a la más mínima oportunidad. Sin embargo, cuando lo obligan a ir al cementerio y a entrar en la tumba de la bruja Jill para probarse su anillo, las cosas cambian.

This beginner's guide offers a first glimpse into the natural world of amphibians. This addition to the acclaimed About... series uses simple, easy-to-understand language to teach younger children what amphibians are, how they look, how they move, what they eat, and where they live. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to a variety of amphibians, from frogs and toads to salamanders and more. An afterword provides details on the animals featured and inspires readers to learn more.

A young boy eagerly awaits the birth of his brother or sister, while imagining that the baby is in a house inside his mother.