This book discusses the karst and pseudokarst of the Upper Midwest, USA, consisting of the states of Minnesota, Wisconsin, Iowa, and Illinois—the first region

Cave Mysteries explores the hidden world beneath our feet, revealing the geological origins, unique ecosystems, and cultural significance of caves. It delves in

Minnesota's caves have a deep history. Carver's Cave is the first to be described in the literature of North America after explorer Jonathan Carver visited it i

The Boxcar Children visit the old farmhouse where Grandfather and Aunt Jane grew up! But people in the nearby town seem to think something isn't quite right abo

Join Detective Will as he learns the importance of obedience. Will is spending summer vacation at his grandparents home by the sea. Will hears a sound and disco