by Elizabeth Yates
Explore Iceland with Uncle Tony? Michael and Merry think it's an exciting idea, especially since there's a mystery to solve.
Their adventure takes them by horseback to bubbling hot springs, the Great Geysir, and rugged mountaintops. But what has happened to the long-lost son of Jon Magnusson? Merry begins to wonder if they'll ever find him.
Book 2, sequel to Swiss Holiday.