El nombre del juego es Da Vinci

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

"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 the film Jurassic Park. Take a trip through dinosaur time to meet these deadly dinosaurs face-to-face: The Variraptor had pointy teeth with grooves like steak knives to saw through meat! The Draeomaeosaurus was the first raptor ever discovered. It had a very large brain! The Microraptor was ...

Seguro que has escuchado hablar de sor Juana Inés de la Cruz, pero ¿sabes cómo se convirtió en la Décima Musa? En una hacienda a la falda de los volcanes, Juana Inés vive con su entrañable abuelo, su madre y su querida hermana Josefa, rodeada de libros y siempre acompañada por su perro xoloitzcuintle. Pronto Juana Inés se enamora del maravilloso mundo que se esconde detrás de las letras y, al pie de la pintura de la virreina, escribe los más hermosos poemas. Descubre cómo fue la niñez de sor Juana Inés de la Cruz, ¡la poeta más destacada que dejó Nueva España!