Los ciclos de la Tierra (Earth's Cycles)

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

This companion Spanish edition of Courteous Kids provides a convenient resource for children still developing their English proficiency or who want to share books at home in Spanish-speaking households.

From eye patches and peg legs to walking the plank and pirate ships, this fun and informative activity book discusses the facts and legends surrounding pirates and then encourages kids to search for them within the book. Desde los parches de ojo y las patas de palo hasta caminando por el tablón y los barcos piratas, este divertido e informativo libro de actividades discute los hechos y las leyendas que rodean los piratas y entonces anima a los niños a buscarlos dentro de las páginas del libro.

La poesía de Gabriel de Celaya es pieza clave para determinar y puntualizar la dinámica evolutiva de la poesía española de posguerra. Ya sea a través de la alabanza, la mayoría de las ocasiones, ya sea a través del vituperio o de valoraciones acomodaticias, en contadas circunstancias, la presencia del escritor guipuzcoano es obligada siempre que de una manera objetiva y científica se trate de marcar los derroteros poéticos de estas últimas décadas, especialmente en la segunda parte del siglo XX.