¿Qué Son Los Recursos? (What Are Resources?)

¿Sabías que a lo largo de la historia han muerto más personas a causa de las epidemias que por culpa de las guerras y otros desastres? Algunos científicos, a veces arriesgando sus vidas, investigaron las causas de enfermedades como la peste, el cólera, el sida o el ébola. Muchos de ellos fueron objeto de burla, fueron ignorados, e incluso los despidieron de sus trabajos. Sin embargo siguieron intentando encajar las piezas del puzle de las epidemias. Y la primera pieza, la más importante, era el «paciente cero», la primera persona que hubiera contraído la enfermedad, porque así...

Narwhals are often called the "unicorns of the sea." But these fascinating creatures are members of the whale family. Read all about narwhals as you practice addition. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving...

Read Along or Enhanced eBook: Encourage readers to learn about the various animals that need help and what they can do to make a difference through volunteerism in this inspiring. Spanish-translated nonfiction title. Readers will discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring...

A Spanish edition of a popular look-for book is filled with translated rhyming riddles in which readers are invited to find hidden objects in a complicated arrangement of colorful objects.