¿Por qué hibernan los animales? (Why Animals Hibernate)

"Simple text and color photographs describe the units and tools used to measure time--in both English and Spanish"--

" A Daniel, el trabajo en la oficina le resulta muy aburrido; su vida se ha vuelto de color gris. Por si fuera poco, descubre que, en los momentos más inesperados, se eleva desde el suelo. ¡Menudo problema!... ¿Qué puede hacer, por ejemplo, para cubrirse con la manta si la cama se ha quedado abajo y él está durmiendo en el aire?... Pero decide aprovechar su extraña facultad, y entonces... "

Looks at the life of Betsy Ross from her Quaker childhood to her days as an independent businesswoman. Also examines the legend of the Betsy Ross flag. Written in graphic-novel format.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!