La reproducción de las plantas (Plant Reproduction)

Until just over 150 years ago, northern Mexico extended thousands of kilometers farther than its current border with the United States. Many different indigenous groups flourished in that region before the Conquistadors arrived. What we know about their lives and customs is the result of archeological discoveries and the chronicles of the first Spanish priests and soldiers that had contact with them.

This Spanish-translated nonfiction title gives children an in-depth look at what a career as a police officer is like. Readers will learn about various aspects of life as a police officer--from being accepted into the academy to keeping streets safe. Readers will learn what a typical day in the police academy is like as well as a day in the field as an officer. Through helpful charts and diagrams and colorful images in conjunction with informational text and stunning facts, readers discover important aspects of keeping communities safe, including what's inside the patrol car, K-9 units,...

MANUAL FOR COMMUNITARIAN SOCIAL WORK - This book is a basic document for students and professionals of the different disciplines of Social Sciences related to community action: social workers, socio-cultural animators, social educators, psychologists, etc., who want to develop their professional activity in this collective ambience, professionals who believe in what they do and why they do it, and who are willing to accompany the community and its members in a process of change and growth.

The combination of violins, trumpets, sombreros, and song possesses the power to not only lighten the heart but weigh it down as well. This book journeys to the time and place where mariachi music originated and reveals the various musical traditions that combined to form the richest, most popular, and most highly regarded tradition of Mexico. La combinación de violines, trompetas, sombreros y canciones capaces de desgarrar o alegrar el corazón de cualquiera, mexicano o extranjero. Este libro viaja a través del tiempo y las regiones donde se originó el mariachi y descubre las distintas...