How Do You Measure Time?

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

Born in 1452, Leonardo da Vinci is still, today, considered one of the most talent people to have ever lived. From his world famous paintings and drawings, such as the Mona Lisa and the Vitruvian Man, to his ingenious inventions of the parachute, the helicopter, and the military tank, da Vince was always a step ahead of his time. Discover the origins of a man who refused to be defined by just one vocation. Whether science and engineering or architecture and art, Leonardo da Vinci was the ultimate Renaissance Man.

Making a decision can sometimes be tough. Consider how difficult it is for people to make decisions as a group. It definitely is a skill that must be learned and exercised. This book uses age-appropriate text to explore how leadership and communication can help groups, from students to politicians, make decisions. The text also offers insight on how to deal with people in groups who aren't positively contributing to the decision-making process. Readers will enjoy learning about working with others to make decisions and other valuable civics concepts from the C3 Framework for Social Studies.

En esta historia un niño decide vomitar para no crecer; supone que si no se desarrolla no tendrá que enfrentar la nueva situación familiar. La atención especializada y cuidar de su mascota, una serpiente pitón, le enseñarán que los cambios físicos son necesarios para que todo vaya bien en la vida.

Un libro con consejos sobre educación sexual para adolescentes, por la creadora del canal de YouTube Íntimas Conexiones con Raquel Graña. Sex-On responde a las principales dudas relacionadas con el sexo que los adolescentes trasladan a la autora, tanto en las clases y talleres que imparte como en las redes sociales. El libro alterna un relato dinámico, divertido y realista con numerosos recuadros con consejos prácticos que tratan temas tan variados como frecuentes en la vida de todos ellos: la primera regla, los complejos, la masturbación, el bullying, la orientación sexual, el uso del ...