Themes: Mystery, Ghosts, Small towns, History, Looking Into the Past, Spirits, Historical Artifacts. Apple Glen's first Founder's Day is coming up, and Luna plans to research the town's mysterious founder for an essay contest. There's just one problem. Not everyone agrees on who founded the town. Can Luna shed light on her town's history, or will she be left in the dark of Apple Glen's past? Mysteries seem to find Luna Garza, a tween growing up in small-town Ohio. Luna can't help but get pulled into solving them. Middle school readers will love following Luna as she digs into the puzzling occurrences that arise during her everyday life in an all-American town. Each book is approximately 100 pages.