Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Kids love to cook, and the rise of celebrity chefs has made them even more interested in the culinary arts. This fun book explains how master chefs are made and offers advice for young cooks.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

¿Alguna vez te has quedado mirando a tu perro y te has preguntado en qué estará pensando? ¿Has meditado sobre el sentido de la vida o has intentado imaginarte la nada más absoluta? Pon en marcha tu sentido común y prepárate para hacer frente a esos grandes enigmas que nos acompañan todos los días. ¡Embárcate con nosotros en esta aventura en la que se mezclan los pensamientos razonables con las ideas más descabelladas!

A haiku is a type of poetry that follows a pattern. Haiku started in Japan and has become popular around the world. Learn more about why people love to read and write in patterns. Try to create your own haiku, too! This full-color nonfiction reader will engage students in reading while introducing them to new vocabulary terms and concepts. Important text features include a glossary and a table of contents to develop students' comprehension and literacy skills. This Spanish book aligns with national and state standards and features exciting TIME For Kids content to keep English language...