Six Henry Van Dyke novels, with Margaret Armstong covers, to include The Ruling Passion, 1901; Days Off and Other Digressions, 1907; Out-of-Doors in the Holy Land, 1912; The Unknown Quantity, 1912; Camp-Fires and Guide-Posts, 1921, and The Golden Key, 1926. Minor cover abrasions, overall very good to excellent condition.