Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

While the Great Depression was indisputably a difficult period in American history, it did lead to certain developments that we still benefit from today. One for the most significant examples of this is Social Security, which helps a whole generation of retired Americans. The book offers a concise description of the Great Depression, including analysis of its causes and its effects. Chapters focus on different aspects of the period, including culture, the arts, and science and technology. The dynamic design displays images of posters and experiences from the Depression era. This informative,...

Readers learn about the various animals that need help and what they can do to make a difference through volunteerism in this engaging book. Discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this Spanish-translated nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring careers that help sick or injured animals.

Todo lo que deberías saber a los trece años y que nadie te ha contado todavía... La guía completa de la adolescencia Todo lo que necesitas saber acerca de: Amigos * cambios en tu cuerpo * compras ropa y maquillaje * acné * tallas * cabello * vergüenza * qué comer * estados de ánimo * fumar * amor y desilusión * cómo recuperarse de un corazón roto * deporte * chicos * sexo * instituto * tus derechos * bebidas alcohólicas * hacer que tus padres te tomen en serio * drogas * dinero confianza * ser feliz con tu propio y verdadero ser. Todo lo que deberías saber a los trece años y que ...

Fun and lovable illustrations offer encouragement and celebrate dreams for girls who know deep down they have what it takes to achieve anything they want.