Martinez's life in Guatemala is turned upside down when gangs harm and threaten the people in his neighborhood. He must leave his friends and two dogs behind when he and his family are smuggled to a refugee camp in Mexico, where thousands of families escaping violence hope to find safety. Interspersed with facts about Guatemala and its people, this narrative tells a story common to many refugees fleeing the country. Readers will learn about gangs there and how they can help refugees in their communities and around the world who are struggling to find permanent homes. Teacher's guide available.

When Iran's government threatens Zahra's family for speaking out against its actions, they decide to flee Iran and seek safety in Australia. The journey isn't easy. Many refugees have died on the boat trip across the Indian Ocean. Granted asylum after many months of waiting, Zahra and her family must adjust to a new life. Interspersed with facts about Iran and its people, this narrative tells a story common to many refugees fleeing the country. Readers will learn about the conflict there and how they can help refugees in their communities and around the world who are struggling to find permanent homes. Teacher's guide available.

This exciting title introduces readers to the concept of a wave and the patterns and properties common to both light and sound waves. Clear text and detailed diagrams combine to demonstrate the cause-and-effect relationships involved in the properties of amplitude, wavelength, and frequency. A link to interactive activities online plus an activity in the book allow readers to explore key concepts close up by creating their own wave models. Teacher's guide available.

Follow along as a fictional researcher observes and makes journal entries about their field trip through the Shunan Bamboo Forest ecosystem. Outstanding photographs highlight the animals, plants, and people that inhabit China's oldest bamboo forest. Simple graphs show facts about the forest, and the final report describes efforts being made to preserve it. Teacher's guide available.