Trenes bala (Bullet Trains)

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.

This brightly illustrated title presents lyrics and instructions for various traditional Hispanic games. Each entry is designed to help caregivers engage in constructive, rhythmic play with infants and pre-schoolers. Through these activities, caregivers will help small children develop hand eye coordination, neuromuscular control, rhythm and attention span.

A land of extremes, from active volcanic peaks to dense rain forests, Guatemala has sustained great civilizations and attracted foreign conquerors. While shadows of its vicious, decades-long civil war still linger, Guatemala's people work toward peace and stability in the face of corruption and impunity. Illuminating photographs, insightful facts, and informative sidebars help the reader discover what it's like to live in today's Guatemala, its ancient beginnings, dramatic landscape, rich culture, resilient people, and more.

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.