Sách nói: Outdoor Girls at Foaming Falls

This is book #15 in the Outdoor Girls series.

Mollie Billette is appointed as the new leader of the Outdoor Girls, replacing Betty Nelson, who has now married Allen Washburn. Dogs start to go missing around Deepdale, with no clues to where they are going. The Girls travel to Foaming Falls, and while staying in a haunted house, they hear strange noises! (Summary by Maria Therese)