¿Por qué celebramos el Día de Martin Luther King Jr.? (Why Do We Celebrate Martin Luther King Jr. Day?)

An illustrated survey of the history and customs of the native North Americans who were members of hundreds of different tribes with varying lifestyles over the centuries.

For those who enjoy unconventional solutions, the author offers a wide range of all-time paradoxes that defy your deductive and calculation skills with impossible logical truths, and helps you to learn how to overcome the traps of false truths.

Discover Dinosaurs Spanish Edition. Dinosaurs were reptiles that lived millions of years ago. It was a long time before there were any people on the earth. Scientists have looked at dinosaur bones and found out many things about what they were like. Nobody knows why the dinosaurs disappeared. People have made pictures to show what they might have looked like. What do we know about dinosaurs?

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 ...