Title: The Bobbsey twins on the pony trail
Description: The Bobbsey family travels across the country to the Rocky Mountains, where they ride the Lost Pony Trail to find a special stand of spruce trees Mr. Bobbsey wants for his lumber business.
Subjects: Romanies, Juvenile fiction, Bobbsey Twins (Fictitious characters)
Places: United States, Rocky Mountains
People: Bobbsey Twins
Time periods: 1940s