El gran libro de las matemáticas del Ogro feroz

In the 1800s, a Choctaw girl becomes friends with a slave boy from a plantation across the great river, and when she learns that his family is in trouble, she helps them cross to freedom.

Gramática práctica con explicaciones claras y sencillas - Recorrido completo por las cuestiones esenciales de la gramática de los niveles C1 y C2 del Plan Curricular del Instituto Cervantes. - Organizada en dobles páginas para enfrentar la teoría con sus ejercicios correspondientes. - Cuadros para resaltar los puntos gramaticales más importantes. - Remisiones a otras unidades y al apéndice para aclarar o completar conceptos. - Numerosos ejemplos de uso. - Dibujos para ilustrar y facilitar la comprensión de las explicaciones gramaticales. - Más de 400 ejercicios, con modelo de...

“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 horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

Read Along or Enhanced eBook: Welcome to Canada! From its majestic mountains to its exciting sports, readers are invited to explore what makes Canada so special in this exciting, Spanish-translated nonfiction title! With informational text, fresh vocabulary, and engaging maps, readers will be engaged from beginning to end.