Rina a la Caza de una Mosca

¿Qué son realmente las bacterias? ¿Qué ventajas nos ofrecen y qué riesgos representan? Un viaje ilustrado para descubrir por qué estas tripulantes microscópicas del cuerpo humano son necesarias para nuestra salud. Tenemos la idea equivocada de que todas las bacterias son feas, sucias y malas... ¡pero no es así! De la mano de la simpática Bac, descubre cómo estos minúsculos seres que habitan por miles en nuestro organismo trabajan sin parar para ayudarnos a vivir mejor: las bacterias potencian el sistema inmunitario para protegernos de las enfermedades, producen vitaminas...

Read Along or Enhanced eBook: From hermit crabs that make a home out of anything they can find to tiny termites that build tall towers, animals of all kinds are architects! In this engaging, Spanish-translated nonfiction title, elementary children will learn about these amazing animal architects and the things they build for habitation and camouflage through vivid images, stimulating facts, informational text, a helpful glossary, and a reference list of useful websites.

In 1848, gold was discovered in California, attracting over 300,000 people from all over the world, some who struck it rich and many more who didn't. Hear the stories about the gold-seeking 'forty-niners!' With black-and-white illustrations and sixteen pages of photos, a nugget from history is brought to life!

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make Roman myths and legends so compelling. Fully translated Spanish text.