El secreto de la Pirámide

Darwin dedicO su vida a los animales y se embarcO en un viaje que le llevarIa a descubrir increIbles cosas sobre ellos. La Tierra estA llena de seres vivos, pero nadie sabIa explicar con certeza tanta diversidad. Hasta que un hombre se embarco en un largo y fascinante viaje e imaginO una respuesta. Esta es la gran aventura que llevO a Charles Darwin a recorrer el mundo, estudiar a los animales y descubrir cientos de especies y cosas muy interesantes sobre ellas. Zarpa con nosotros en este viaje alrededor del mundo y disfruta de una aventura llena de animales, naturaleza y grandes...

¿Por qué las alcancías tienen forma de cerdito? Si todos los billetes cuestan lo mismo, ¿por qué valen diferente? ¿Qué es el trueque? Aprender a tomar decisiones, a negociar (sí, ¡el intercambio de estampas en el patio es la primera y más dura de las transacciones a las que nos enfrentamos!), y entender la diferencia entre precio y valor es fundamental. Este libro ilustrado nos muestra de una forma muy dinámica, divertida y eficaz las claves básicas para aprender a gestionar la mesada y entender qué es el dinero. ENGLISH DESCRIPTION Why are piggy banks shaped like pigs? If all...

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

Children will be inspired to tell their own stories with this wordless reader, filled with engaging, colorful images that show the typical activities that are part of a young child's day.

Readers will set their eyes to the night sky in this fascinating book about astronomers. This volume is a perfect combination between STEM and career guidance as it introduces readers to the different ways astronomers use science, technology, engineering, and math in their work every day. Readers will love learning about celestial bodies and space phenomena, as well as the different processes and equipment astronomers use to observe, collect, and analyze data. This book also covers the steps a person can take to become an astronomer. The curriculum-based information in this book is conveyed...