Tiranosaurio Rex

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

Magnitud imaginaria, piedra de toque de la famosa «Biblioteca del Siglo XXI» y heredera de la aclamada «Vacío perfecto», es otro ejemplo delirante del genio de Stanis&ław Lem. Artistas que realizan pornografía mediante el uso de rayos X, científicos que cultivan bacterias que se comunican en código Morse y son capaces de predecir el futuro, vendedores de enciclopedias «de cuarenta y cuatro magnetomos» en las cuales está escrita la historia que aún no ha acontecido, inteligencias artificiales que crean obras de autores tan intocables como Dostoievski y que ni ellos mismos se...

"Developed by literacy experts for students in grades three through seven, this book introduces young readers to the geography and culture of Nicaragua"--

Whether you call your January 6th celebration El Dia de los Reyes or the Feast of the Epiphany, you're celebrating a day dedicated to the three kings. Sometimes called the three wise men or the magi, these figures are part of the Christmas story and often appear in nativity scenes during this time of year. In some places, they're more important than Santa Claus. In this volume, readers discover the history of the three kings' story as well as how they are celebrated in cultures around the world today.