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This riveting true story follows Dr. John Snow as he traces a deadly London cholera outbreak to a single contaminated water pump through meticulous observation, mapping, and evidence-gathering, inventing modern epidemiology in the process.

With lyrical verse by poet George Ella Lyon and dynamic fluid art, this extraordinary picture book explores the water cycle and makes a simple, powerful case: our water supply is limited, and protecting it is one of the most important things we can do.

A single water drop journeys around the planet in this beautifully illustrated science classic, shifting between liquid, solid, and vapor as it travels from ocean to cloud to mountain glacier and back again in a seamless, lyrical account of the water cycle.

Examining why water scarcity falls hardest on the world's poorest communities, this book also traces the creative solutions being developed in Chile, India, and elsewhere by people whose daily survival depends on finding enough clean water.

Rain, rivers, glaciers, and underground aquifers are all connected in a single planetary water system, and this beautifully illustrated picture book makes that idea vivid and clear, showing young readers why every choice about water shapes the future of all life.

Hands-on experiments in water filtration and purification engage elementary and middle schoolers in real environmental science, building the curiosity and awareness that drives people toward careers in water quality, treatment, and conservation.

This hands-on STEM kit lets young scientists build a working water filtration and distillation system, learn how solar disinfection works, and gain practical experience with the real science behind clean water production.

For ages 8-12, this illustrated history shows how people coped without reliable clean water and how ingenious solutions were developed over time to make communities safer, healthier, and far less unpleasant.