Lair of the Lansing Leprechauns (Michigan Chillers #20)

In Lansing, Michigan, Fern and Cornell's luck is just about to run out. After days of rain, a rainbow appears and a fabled little man with it. But as soon as Fern sees him, he quickly vanishes. In this adventure of hide-and-go-seek, the kids get caught up in a race against time... and an alien invasion and a mission that could mean life or death!