La naturaleza de la materia (The Nature of Matter)

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

An eye on each page and clues in the text challenge readers to figure out what living thing is watching them.

Read Along or Enhanced eBook: Invite readers to see what goes on behind the scenes at a school carnival! With informational, Spanish-translated text, vibrant photos and helpful charts, children are engaged from cover to cover while utilizing mathematic skills to learn the basics of planning, income, estimates, and budgeting.

El autor y el ilustrador de Los Futbolísimos presentan un nuevo libro de la serie Los Forasteros del Tiempo. Ya sé que suena un poco raro, pero de un tiempo a esta parte no hago más que viajar en el tiempo a través de un agujero negro. Bueno, yo solo no, me acompañan mis hermanos, mi padre y unas vecinas. Esta vez hemos aparecido en el imperio romano, que es una época muy interesante y emocionante, y además hemos conocido a un montón de amigos nuevos; yo, incluso, me he convertido en gladiador y he luchado contra un león. Aunque en realidad lo que de verdad deseo es volver a casa con ...

Ofrece un enfoque práctico sobre el funcionamiento y la interrelación de los diferentes elementos que configuran el alemán actual. Los temas se abordan de forma sistemática, con gran variedad de empleos normativos y posibles restricciones. Se proporcionan igualmente las pautas para la formación de palabras, cuestión fundamental en el alemán.