Great-Grandmother's Fence

Thomas is concerned about who will paint his great-grandmother's house after he moves to Ohio.

Triangles

The Small family find four triangles that the Darrows have left in their house and Mr. Small's office to frighten them away. Later the Smalls learn that the triangle are actually route markers that slaves use to find their way to the next stop on the Underground Railroad.

House of Dies Drear

The house of Dies Drear is a house in Ohio that is once an important stop on the Underground Railroad.

Mr. Pluto's Cave

Mr. Pluto lives in a cave on the hill above the house of Dies Drear. Inside the cave, Mr. Pluto discovers a fake wall that leads to a cavern where Dies Drear hid the bulk of his antiques before his murder.

Mr. Pluto's Bellows

Thomas hears a breathing sound while exploring the tunnel under the...