Héroes y antihéroes en la literatura

Internet security breaches have been in the news of late. Organizations, governments, businesses, and individual internet users are all at risk. This book introduces readers to the importance of cybersecurity and addresses the current risks from hackers, viruses and other malware, identity thieves, and other online perils. It provides concrete measures that young digital natives can take to protect themselves and their computers, smartphones, and other devices. This volume's lively, cautionary narrative and useful tips will help readers effectively defend their identities and data.

"It's easy for superpowered crimefighters to turn invisible and sneak up on bad guys. What about real crimefighters? Find out how scientists are using technology to make things disappear before our eyes. Now in Spanish!"--

Versión actualizada de una obra imprescindible. Con más de mil ilustraciones, creada por el artista plástico Mauricio Gómez Morin y textos del historiador Pablo Escalante Gonzalbo, este libro ofrece al lector 120 siglos de historia nacional. Un libro para toda la familia que está realizado con rigor histórico y científico, posee amenidad y es de ágil lectura. A través de él se pueden conocer 120 siglos de historia patria, desde una perspectiva histórica integral, en la que se entrelazan acontecimientos políticos y grandes cambios institucionales con datos provenientes de diversos...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about California’s gold rush by examining maps, letters, images, and art from that time. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary...