El Lado Oscuro de lo Sobrenatural

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...

The morning of August 24, AD 79, seemed like any other in the Roman city of Pompeii. So no one was prepared when the nearby volcano Mount Vesuvius suddenly erupted, spouting ash that buried the city and its inhabitants. More than 1,700 years later, in 1748, explorers rediscovered the port city with intact buildings and beautiful mosaics. This easy-to-read account is gripping and includes photos of the ruins.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

¡Hola! Me llamo Lucía y vivo con mis padres, mi hermano pequeño y mi perro. ¡Me gusta jugar con mis amigos, practicar deporte e ir de vacaciones! También voy a la escuela y hago deberes, por supuesto... como la mayoría de niños. Esta es una pequeña historia dentro de una gran historia, la del mundo y su diversidad. De la mano de Lucía, descubriremos cómo es la vida de los niños de todos los rincones del planeta. ¡Una realidad con muchos colores representada con infografías y datos para que aprender sea muy visual y divertido!