Mujeres que cambiaron el mundo (Women Who Changed the World)

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make...

Meet six women who did great things. They were leaders in politics, civil rights, healthcare, science, and sports. They helped and inspired others. All of them followed their dreams. Discover the journeys they took. This inspiring Spanish book introduces second grade students to the lives of notable women including Marie Curie, Clara Barton, Wilma Rudolph, Rosa Parks, and more. Engaging images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience.

Teach early readers about responsibility and empathy with this beautifully illustrated retelling of the Aesop fable, The Grasshopper and The Ant. With a short chapter format and table of contents, this Spanish fiction book includes pre-reading questions.

This Spanish nonfiction book gives students a close-up look at media by exploring all forms and how it plays an important role in society. Ideal for young readers, the book includes a glossary and a short fiction piece related to the topic. Students will learn to tell the difference between facts and opinions with this exciting book and the accompanying extension activity. This 32-page full-color Spanish book defines media, explains how to separate fact from fiction. It also covers important ideas like democracy and censorship, plus includes an extension activity for grade 3. Perfect for the...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a class makes a budget so they can afford a field trip at the end of the month. This nonfiction title is paired...

La presente obra realiza un estudio exhaustivo del Derecho de las obtenciones vegetales establecido en el Convenio de la UPOV, así como en los ordenamientos de la Unión Europea y de España. El libro se divide en veinticinco capítulos, agrupados en siete grandes bloques temáticos referidos, sucesivamente, al sistema normativo, a los requisitos de protección de las variedades vegetales, al derecho a la protección y el procedimiento de registro, a los efectos de la protección, a las obtenciones vegetales como objeto de propiedad, a la nulidad y a la caducidad, y a la defensa del derecho...

Ámbar y Azul, dos gemelas curiosas (aunque, a veces, demasiado graciosillas), emprenden un intrépido viaje en busca del misterioso ADN en compañía de Pío, un pollito sabio que conoce las respuestas a todas las preguntas. Los tres protagonistas se vuelven de tamaño microscópico y exploran una célula habitada por represores insufribles, ribosomas novatos, proteínas todoterreno y otras moléculas divertidas y estructuras celulares que ejercen un papel clave en los procesos que constituyen los fundamentos de la genética.

Los poetas que aparecen cuando el reciente fin de siglo suelen jugar con los crepúsculos y con Emily Dickinson. María Elena Hernández Caballero asombra con misteriosos diálogos postreros desde su primer libro. Siempre se está yendo. Esa es la esencial característica órfica que transmite. Una urgente intranquilidad, a la expectativa siempre, señala que el mundo es una esfera que Dios hace bailar sobre un pingüino ebrio. Y el lector de inmediato busca la matriz. La encuentra y se le pierde una y otra vez, uno y otro poema, entre derrotas y ramas rotas. Es un payaso que observa las...