Madrigueras de conejos (Inside Rabbit Burrows)

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

This book looks at natural structures such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are made, and their colors, shapes, and textures. It shows structures made by animals, such as beehives and bird nests. This wonderful book with amazing photos will encourage young readers to notice colors and shapes in nature and how they relate to the purpose of structures.

Prepárate para conocer los datos más curiosos sobre ciencia, historia y naturaleza, y hazlo con mucho humor y todo el rigor de National Geographic. ¿Por qué necesito comer? ¿Por qué juegan los animales? ¿Por qué eran comunes las pirámides en el mundo antiguo? ¿Por qué las pelotas de fútbol americano no son redondas? En este libro, encontrarás más de 1 111 fascinantes respuestas a preguntas sobre cosas que todos los niños quieren saber. Desde el clásico «¿por qué el cielo es azul?» hasta cuestiones más insólitas, como «¿por qué es imposible cavar un hoyo que atraviese...

A bilingual collection of poems in which the Mexican American poet celebrates winter in northern California and the experience of growing up bilingual and bicultural.