Deportes espectaculares: Las carreras más duras del mundo: Comprensión de fracciones

Bacteria have a slimy reputation. They're too small to see with the human eye, so it's easy to let them slip past unnoticed. But, bacteria are part of our daily lives. In fact, they affect everything from milk to our moods. Get ready to zoom in on the hidden world of bacteria and explore the many ways that bacteria are being used in the modern world. This nonfiction reader seamlessly integrates the teaching of math and reading, and uses real-world examples to teach multiplication of mixed numbers. Text features include images, a glossary, an index, captions, and a table of contents to build...

A trip to Comic-Con becomes an adventure in learning division! Join Zach as he travels to San Diego to attend his very first comic book convention. Along the way, learn about the history of comic books and comic book conventions, and meet the dedicated fans who make Comic-Con one of the most widely attended comic book conventions in the world. This book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, math charts and diagrams, sidebars, and practice problems make learning division relevant and fun. Text...

Gorillas, wolves, chickens, and kangaroos. It might not seem obvious at first, but these species all have something in common: their individual members must all find their places within their groups. These power struggles can be dangerous! Read about the fierce world of animal alphas and how they make it to the top. This Spanish nonfiction book will keep students engaged in reading as they build their literacy, vocabulary, and comprehension skills. Important text features include a glossary, index, and table of contents. The Reader's Guide and culminating activity require students to connect...

When Vladan Borojevic googles the name of his father Nedeljko, a former officer in the Yugoslav People's Army, supposedly killed in the civil war after the decay of Yugoslavia, he unexpectedly discovers a dark family secret which recollects the events of 1991. Seventeen years later, Vladan's discovery that he is the son of a fugitive war criminal sends him off on a journey around the Balkans to find his elusive father. The story of the Borojevic family strings and juxtaposes images of the Balkans past and present, but mainly deals with the tragic fates of people who managed to avoid the...

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...

¿A qué niño o niña no le gusta aprender sobre colores, ciencia y arcoíris?Ya sea que se trate de papá o mamá leyendo el libro al más pequeño de los niños o de un maestro o bibliotecario que lo comparte como parte de su plan de lección o la hora del cuento, "¿Sabías que? The Rainbow Edition "fomenta el aprendizaje de los colores y los arcoíris, promueve el pensamiento crítico y evalúa el conocimiento de los colores de una manera divertida y significativa. Además, los lectores más jóvenes disfrutarán mostrando su conocimiento de lectura y colores mientras agregan nuevas...

James Lovelock —autor de la La venganza de la Tierra, Planeta, 2007— pone sobre la mesa las pruebas de un futuro poco esperanzador para nuestro planeta. El polémico científi co creador de la teoría de Gaia —que considera la Tierra como organismo vivo que se autorregula en pos de su supervivencia— presenta aquí una verdad aún más incómoda que la de Al Gore. Ninguna acción humana tiene la capacidad de reducir las consecuencias con la rapidez suficiente, ni siquiera para frenar el cambio climático. Sin embargo, la civilización tiene el deber de sobrevivir en los pocos refugios...