Manual para ser tú mismo

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

Describes the ancient giant kangaroo of Australia's distant past that was five times the size of today's largest kangaroos. Discusses how the animal lived and how it became extinct.

"Nueva York, Berlín, París, Moscú, San Petersburgo y México son algunos de los escenarios de esta apasionante novela que se adentra en la vida del poeta vanguardista ruso Vladimir Maiakovski. Un hombre extremo, arrogante, un narcisista que no soportaba que no lo quisieran, un soñador que creía en el futuro y que vivió con una intensidad desbordante su relación amorosa con Lily Brik, permitida y alentada por su marido Osip, en uno de los triángulos más famosos de la literatura mundial. Contagiado por la personalidad de su protagonista, éste es un libro provocador, radical, regido...

Many consider Abraham Lincoln to be the greatest US president This book explores Lincoln’s early life, self-taught education, law career, and influential presidency. Through simple language translated into Latin-American Spanish, beginning readers will learn about the Civil War and Lincoln’s inspiring leadership. Historical images and a helpful timeline will enhance English language learners’ introduction to Lincoln’s extraordinary achievements and connect them to an important era in American history.