This series explores our world's fascinating cycles and brings to life the processes that keep our planet forever changing.
Earth Cycles: Seasons looks at spring, summer, autumn and winter to explain why the seasons are so important and what happens to the natural world when they begin to change.
Sally Morgan is an environmental biologist, and chief examiner for A-level biology for a major examining board. She is an experienced author of books for young children. She has been a science teacher and is now a professional photographer and writer.
Earth's water Solids, liquids and gases Fresh and salt water Cycling water Water in the atmosphere Falling to ground Evaporation Plants and water Underground water Glaciers Rivers Water and climate change Saving water Glossary Further reading and websites Index