Dinosaurios, garras y crestas

Humans and animals can also make a great team working together. See how horses and the officers who ride them work together to keep our streets safe.

Learn How Dams And Levees Are Built As Well As The Effects They Have On River Systems In A Region, And Places Downstream.

Guatemala is an important neighbor to the United States. Readers will discover how Guatemala and the US are alike and how they differ as they read about the land and people, animals and celebrations. Hello, neighbor!

Discusses the physical characteristics of great white sharks that combine to make them such able predators.

Agus le versa al amor y al desamor en la forma que, para mí, siempre he creído que era la más bella de las expresiones. Concebir la poesía como una pequeña explosión, un tímido cortocircuito que transmita, sin necesidad de infinidad de estrofas ni lenguajes farragosos, la esencia del sentimiento en él reflejado. Así es la poesía de Agus, como un dulce deshaciéndose en la boca con lentitud o un fugaz estallido de fuegos artificiales cargados de color.

Explains what mathematics is and how it feels to do math, and shows some basic mathematical concepts such as sorting and measuring.

Love story set in Madrid during the last days of the reign of Alfonso XIII. Isabel, an educated young woman from a pro-monarchy family meets Joaquín, whose background is very different. The author means to offer a complete and accurate picture of the ten turbulent years that determined the history of Spain in the twentieth century.