C鏔o mejorar tus discursos (Strengthening Public Speaking Skills)

Quizá los trilobites no sean tan espectaculares como los grandes dinosaurios. Sin embargo, estos pequeños seres prehistóricos –los cuales vivieron durante el periodo Cámbrico, es decir hace 542 millones de años–, tienen mucho que decirnos sobre el pasado remoto de la Tierra y sobre los seres vivos en general. Su fascinante anatomía, por ejemplo, guarda curiosas similitudes con otros animales y con un sinfín de objetos de uso común hoy en día. Este ameno libro toma a los trilobites como tema para hablarnos de la biología pero también de ingeniería. Los autores se refieren lo...

Describes the life of a baby seal, from birth with fur so wet it looks yellow, through molting and learning to swim and hunt, to setting off into the open sea.

Set in the 1950s in the Bronx, this is the story of a girl with a dream. Emmy award-winning actress and writer Sonia Manzano plunges us into the daily lives of a Latino family that is loving--and troubled. She is a child living amidst the squalor of a boisterous home that is filled with noisy relatives and neighbors. Each day she is glued to the TV screen that blots out the painful realities of her existence and also illuminates the possibilities that lie ahead. But--click!--when the TV goes off, Sonia is taken back to real-life--the cramped, colorful world of her neighborhood and an...

"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 feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...