Un poema para mis abuelos

This Title Explains What An Ecosystem Is And How The Plants And Animals Within An Ecosystem Rely On And Effect Its Existence. Different Types Of Ecosystems Are Described, As Well As The Food Webs Within Them. How Some Changes To An Ecosystem Can Be Good And How Some Harmful Changes Can Destroy Them. Teaches Students What An Important Role They Can Play In Keeping These Intricate Ecosystems Alive.

La abuela de Kerstin gana un premio estupendo: un crucero por el Caribe. A Kerstin le apetece mucho ir, pero no tiene billete. Sin embargo se las ingenia para colarse en el barco... ¿Qué peripecias esperan a este singular polizón? Una divertida novela en la que se refleja la importancia de la amistad y las relaciones interpersonales.

Families can be big or small, but all resemble each other in one aspect: they have a past and a present that, is also part of a broader history, that of a culture or race, or that of the world. The reader will see that family trees are used both by historians and everyday people who trace generations of relatives. Although family trees imply blood relations, the ties of love and friendship are often just as important.

Enseña a los jóvenes a través de los mensajes que los hombres más sabios del mundo han dedicado a la juventud a disfrutar plena y responsablemente de lo que otorga la naturaleza.