"Doubleday, Doran & Company." . . . . . . . . . . . . . . "The golden sleeve"@en . . . . "Fiction"@en . . . . . . . . . . . "A young engineering student arrives from the east to spend the summer with his uncle, a rancher and prospector in the Columbia River Valley of Washington State. The uncle disappears, with only his donkey returning carrying a saddle bag and a gold-flecked jacket."@en . "Historical fiction"@en . . . . . . . "Juvenile works"@en . "Golden Sleeve, etc"@en . . . . "Columbia River Valley" . . "Washington (State)" . . "Lower Columbia River Valley (Or. and Wash.)" . .