Insectos constructores (Bug Builders)

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Come find out what professional Crime Scene investigators do to solve a crime in this Spanish-translated nonfiction book! With detailed images and fascinating facts, readers learn about forensic science, criminal investigative evidence, and crime scene searches. This book includes an interview with a real-life CSI and a glossary, index, and list of useful sources.

En un futuro próximo, los recursos energéticos de la Tierra han sufrido una radical transformación. Los suministros tradicionales casi se han agotado y el hombre se ha establecido en la Luna para extraer un combustible alternativo. Éste es el punto de partida de Límite, una novela dinámica, trepidante y cargada de suspense. Fruto de una rigurosa investigación científica, y con un marcado acento ecológico, Frank Schätzing invita al lector a derribar sus barreras mentales y a disfrutar sin límites de este thriller de rabiosa actualidad que no dejará a nadie indiferente.

Climb aboard for a journey into the world of trains! In this fascinating, Spanish-translated nonfiction title, readers learn about the history of trains, the different uses for them, and the different types and parts including freight cars, box cars, passenger cars, and the caboose. With detailed photos, informative text, and intriguing facts, this book will have readers delighted from cover to cover!