Un día de trabajo de un biólogo molecular (A Day at Work with a Molecular Biologist)

El dueño de una empresa farmacéutica se enfrenta a una crisis de ventas. Un colaborador le propone un plan perfecto: robar una cepa de «gripe española», un virulento virus que causó la pandemia de gripe más mortífera de la historia. Cuando la OMS aprobara la creación de la vacuna, el laboratorio ya la tendría lista. Una operación que les permitiría no sólo salvar la situación, sino también hacerse inmensamente ricos.

Learn how to help others in your community. This exciting Spanish nonfiction book describes the many ways that volunteers make a difference, from cleaning up parks to helping in food banks. Perfect for young readers, the book includes a short fiction stor

Introduce students to the structure of the United States government. With this nonfiction Spanish-translated resource, readers will learn about the three branches of government, and the purpose of this separation of powers. Primary source images and supporting text engage readers and help them better understand the content.

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.