The Mystery of the Grinning Gargoyle

The Aldens travel to Goldwin University to explore their grandfather's college days, only to discover that the old library, slated for demolition, is said to be protected by mythical flying gargoyles. As these stone creatures start appearing in alarming places, the Boxcar Children suspect there's more to the legend than meets the eye, and they are determined to uncover the truth behind the mysterious occurrences.