Quien Fue Amelia Earhart?

This starter volume uses everyday examples such as a baseball and a beach ball to demonstrate the contrast between hard and soft objects.

Introduces the life and times of Underground Railroad and anti-slavery leader Harriet Tubman and explains her place in American history.

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.

En las entrañas de la luna descansa un mineral precioso de una riqueza imprescindible. Un ricachón londinense financia a Garrapata y a los suyos una expedición a nuestro satélite, con el propósito de que vuelvan con las bodegas llenas de riquezas. Pero cuando Garrapata ponga un pie en la luna, dando un pequeño paso tanto para él como para la Humanidad, descubrirá que en el satélite hay más gente que en las rebajas...