We have been making use of different energy sources for thousands of years. But we are using more energy now than ever, and we wonder about the future. Fossil fuels may run out, and scientists are looking for other sources of energy. Will nuclear, wind, solar, water, biomass or geothermal energy be our future? Or does the future of energy lie in a combination of sources? You decide!

This book explores desert habitats around the world, looking at the plants and animals that live there, and the adaptations that help them to survive. Food webs, maps, and photos help bring the topic to life. Threats to desert habitats are also covered, as well as efforts to preserve them.

Maps are essential tools for understanding the world around us. Learning to read maps - both printed and online - is a core skill that forms the basis of social studies. This series explores the different types of maps, explaining what they can show us and how to make sense of them.