Los fósiles y las rocas

Students Will Love Learning More About Our Earth, Moon, And Stars In This Title. It Gives Information On The Phases Of The Moon, The Constellations Of Stars That We See In The Night Sky, Comets And Meteors, And What Exactly Happens During A Lunar Eclipse.

Follow a day in the life of two children from different cities! This entertaining title has been translated into Spanish and encourages young readers to practice time measurement skills and early STEM themes, like reading analog and digital clocks. Familiar images and fun practice problems will have young readers thinking about how they can measure time throughout a day in their own lives!

Introduces readers to amphibians and the concept of classes of animals. Simple text describes the common features and behaviors of amphibians as well as offering many examples of creatures in this group.

An internationally renowned Mexican-born professor of investigative linguistics shows the humorous side of indigenous America with a delightful array of some of the most complicated and often longest words in Nahau as an introduction to a very unique daily life, culture, and mindset.

Desde que el ser humano es tal, ha admirado, temido, incluso venerado a los animales. Esto tiene una explicacion: son una pieza clave en nuestra subsistencia como especie. Con excelentes fotografias e ilustraciones, el presente libro narra como nos hemos relacionado con los animales a traves de los siglos en los diferentes lugares del mundo. Book jacket.