Tiranosaurio Rex

With life-like illustrations and simple text, books in this series introduce children to different dinosaurs and the unique characteristics. Children learn the features of each dinosaur, what they ate, and whether they were predator or prey to other dinosaurs. The books also introduce fossils and how they play a role in our knowledge of dinosaurs' existence.

Each book in this series looks at how to say colours in a different modern foreign language, with each spread within the book covering a different colour. This book looks at the colours in Spanish. Text on each page is in both English and Spanish, and simple, labelled photographs provide additional support. A "e;dictionary"e; at the end of each book gives all the words featured in both Spanish and English, and also includes a pronunciation guide.

Three Puerto Rican stories include the title story, which represents the land's indigenous Tainos; the tale of la Guinea, which is rooted in the nation's African culture; and la Mula's tale, a story of Spanish origin.

Cynthia Ann Parkers family moved to Central Texas when she was about nine years old. A year later, a large force of Comanche warriors attacked Fort Parker and seized Cynthia Ann and four other captives. The other four were eventually released, but she lived among the Indians for 25 years, immersed in the Comanche way of life. Though given a number of opportunities to go back to her white family, she always chose her life with the Comanche, choosing instead to stay with her husband and children. She eventually returned to white society as an adult.

Este libro intenta indagar sobre las garantías de aquellos compuestos que se consumen para mantener o mejorar la salud. Por un lado, describe los fundamentos detrás del desarrollo de agentes terapéuticos descubiertos mediante la metodología científica, y la complejidad que rodea su síntesis, análisis y controles efectivos para su puesta en circulación en el mercado. Por el otro, cuestiona la legitimidad de las afirmaciones acerca de los beneficios de los productos naturales o ecológicos, denominados nutracéuticos, que se nos ofrecen como suplementos de alimentación y la salud. El...

A scientific look at the natural processes that create waterfalls, and where they are likely to form.