Matemáticas en Marte (Math on Mars)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Filosofar es, ante todo, saber cuestionar, construir un razonamiento y pensar por nosotros mismos... Mediante un acercamiento original, Aprendiendo a filosofar le inicia en este camino a través de los grandes temas de la filosofía. En este libro podrá reflexionar sobre El arte y lo bello.

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

Anyone who has ever gotten drenched in a rainstorm knows what it is to be dry, but learning to identify objects as dry can be tricky for the youngest learners. This beneficial book teaches readers how to classify familiar objects as wet or dry with short, achievable sentences carefully constructed for vocabulary acquisition. The accessible narrative is accompanied by bright, interesting photographs of the objects.

La madre de Claudia, la niña protagonista de esta historia, es muy peculiar: es tan pequeña que cabe en un dedal. Hay ventajas y desventajas para los tres miembros de la familia. ¿Qué divertidas situaciones se vivirán en este insólito hogar? Una estupenda historia que retrata con mucho humor las relaciones familiares.