Merhorses and Bubbles

In the third book of the series, Zoey and her cat Sassafras explore a nearby stream where magical merhorses live. When the stream's health begins to decline, the duo applies science experiments to clean the water and protect the mythical creatures. Their tests bring unexpected challenges that push their problem-solving skills and teamwork. The story mixes fantasy adventure with hands-on science, showing how curiosity can make a real difference.