Las cadenas alimentarias en la poza de marea (Tide Pool Food Chains)

Go for the goal with this text, which examines fascinating female sports heroes who’ve proved to the world that gender is no barrier to athletic success. Readers will delight in learning about the lives of Mia Hamm, Wilma Rudolph, and the Williams sisters, as well as other important women who’ve broken barriers in sports. Readers will be inspired to pursue a career in athletics after learning about how others have achieved success in spite of great obstacles. The biographical nature of the text supports social studies curricula, and fact boxes and a comprehensive timeline provide...

The highest law in the United States isn't written in modern English. Yet students are expected to know and understand much of what it says, as well as facts about how and why it was written. Readers are presented with the most important points of the history of the Constitution and its contents in this book. The main content gives simple explanations of important social studies curriculum topics, from the compromises needed to write the Constitution to the Bill of Rights. Fact boxes, a concluding timeline, and historical images offer readers even more detail needed for a full overview of the ...

El asesino perfecto no tiene conciencia, solo una misión. La rebelión del pueblo de Cenaria contra el rey-dios Garoth Ursuul y el imperio de Khalidor ha triunfado. El opresor ha muerto, sus tropas han sido derrotadas, pero a un coste muy alto: el reino entero ha quedado devastado, y Logan Gyre, el legítimo heredero al trono del país, ha tenido que ceder la corona a una de las nobles que encabezó la causa rebelde para apaciguar los ánimos y no desatar una guerra civil en un momento tan precario. En el imperio de Khalidor, ha sido elegido un nuevo gobernante. Tiene un plan, y si lo...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

De todas las grandes aventuras que ha vivido el ser humano hasta nuestros días, la que le llevó a montarse en una nave espacial y alcanzar la Luna es seguramente la más apasionante y hermosa de todas. Súbete en el Apollo 11 y acompaña a Armstrong, Collins y Aldrin en una aventura espacial camino de la Luna, camino de la historia.