Los ciclos de vida de los insectos (Insect Life Cycles)

"Amphibians have some of the most interesting life cycles on Earth. The metamorphosis frogs, toads, salamanders, newts, and caecilians go through has many steps that readers need to understand and remember. This book offers a concise overview of the general amphibian life cycle as well as representative examples of the many species within the animal group. Most importantly, the accessible language is paired with diagrams of the steps of the life cycle to augment readers' understanding of this topic often found in the science curriculum."

¿Cómo un virus tan pequeño y frágil ha logrado cambiar el mundo? Coronavirus, el libro ilustrado que explica a los niños todo lo que deben saber sobre la covid-19. Escrita por el científico Ben Martynoga. ¿De dónde viene? ¿Cómo se propaga? ¿Podemos vencerlo? El coronavirus es 15.000 veces más pequeño que una pulga y podemos matarlo con una pastilla de jabón. ¿Cómo un virus pequeño y frágil cambió el mundo? Sumérgete en el fascinante mundo de los virus junto al científico Ben Martynoga y descubrirás cosas divertidas y a la vez aterradoras de la pandemia que ha cambiado el ...

Each title in an educational series features one letter per page with ample writing space for practice, teaching youngsters how to write each letter of the alphabet in upper case, lower case, and in cursive.

Juro lealtad a la bandera (I Pledge Allegiance to the Flag) teaches students about the Pledge of Allegiance. This book uses intriguing primary source images and documents and simple sentences to engage students in reading as they build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary, captions and an index to introduce informational text features to young readers and provide additional reading support.

The nineteenth century was a time of huge growth and prosperity for California. Although the Gold Rush lasted only seven years, California provided other opportunities for those who emigrated there in search of a better life. This Interactiv-eBook focuses on the history of San Francisco, Los Angeles, Sacramento, and Fresno, and the people and events that influenced their transformations from small towns to booming cities. This nonfiction text builds literacy and social studies content knowledge through the use of intriguing primary source documents like maps, letters, images, articles, and...