Semillas del ayer

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these duck-billed dinosaurs face-to-face: Corythosaurus could honk through the top of its head! Gryposaurus had hundreds of grinding teeth! Parasaurolophus could smack enemies with its strong tail! Plus, you'll get to know...

Laurence cuenta su vida al lado de su madre (alcohólica y con intentos suicidas) y su medio hermano Jay. Han huido durante nueve meses de los Servicios Sociales ingleses, que consideran que tanto su hermano como él estarían mejor bajo la tutela del Estado. Les presento a Laurence, tiene quince años y mide más de 1.80. Muy pronto, deberá usar la ropa de su mamá y hacerse pasar por su difunto padre en la radio. Laurence Roach sólo quiere tener una vida normal, pero eso no es nada fácil pues su madre es una alcohólica depresiva que todas las noches bebe más de la cuenta. Para mantener ...

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.