Title: The Mystery of the Grinning Gargoyle
Description: When the Aldens visit a university campus, they must solve a mystery involving an old library whose stone gargoyles seem to move on their own.

When the Aldens visit a university campus, they must solve a mystery involving an old library whose stone gargoyles seem to move on their own. Book #137
Subjects: Gargoyles, Brothers and sisters, Orphans, Mystery and detective stories, Universities and colleges, Fiction, Children's fiction, Universities and colleges, fiction, Brothers and sisters, fiction, Orphans, fiction, series:BoxcarChildren, collectionID:Boxcar4