Triceratops

"Dino" Don Lessom brings readers face-to-face with various dinosaurs, detailing how they lived, raised their young, and became extinct. Maps, timelines, and colorful illustrations and photographs will capture kids' attention. A dinosaur expert, Don Lessem has written more than 30 children's books.

Did you know the first battery-powered vehicle was created in the 1830s? People who attended the 1892 World's Fair in Chicago could see one. And in 1894, you could buy an "Electrobat" and travel 25 miles on a single charge! Since then, EVs have surged in popularity and have become much more technologically advanced. Learn the history of EVs, how they work, why they're good for the environment, and discover the future of the electric vehicle! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging...

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

Obra de gran utilidad para cualquier persona interesada en usar el idioma con corrección. fluidez y precisión.