Linda Crotta Brennan

The reader follows a student's journal as the student learns about geothermal power as an energy source. This engaging title includes how humans used geothermal power in the past, how we use geothermal energy today, and how we may use it in the future.

Provides an introduction to maps, explaining how they help us understand the cities, roads, and landforms around us.

Introduces supply and demand, defining what they are, what affects them, and how they affect business.

Rhyming text describes a winter day spent playing in the snow.

Presents information on the cause of the BP Deepwater Horizon explosion and oil spill; the effect on workers, animals, and the environment; and what is being done to help the Gulf Coast recover.

Young children are naturally curious about the world around them. Tell Me Why There is Day and Night offers answers to their most compelling questions about the rotation of the earth. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Young children are naturally curious about the world around them. Tell Me Why We Have Earthquakes offers answers to their most compelling questions about natural disasters and the earth's crust. Age-appropriate explanations and appealing photos encourage readers to continue their quest for knowledge. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.

Introduces bartering and explains what it is, its benefits and challenges, and what makes a good transaction; features a glossary; and lists resources to explore the subject further.

Offers answers to the most compelling questions about the rotation of the earth. Age-appropriate explanations and appealing photos. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.