El día de Martin Luther King, Jr

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.

Examines aspects of painting, including its development through history, the way painters work, the materials they use, and ways of appreciating paintings, with movable flaps that reveal text and illustrations.

Bored by her daily routine, Olga the sheep thinks outside the flock and ends up creating a wonderful surprise. Includes facts about sheep.

Reveals the truth about cannibalism in pre-Columbian America, avoiding sensationalism and opting for historical accuracy on a matter that has been subjected to all sorts of misinterpretations as well as mistaken beliefs.