"Ned, Bob and Jerry on the Firing Line; Or, The Motor Boys Fighting for Uncle Sam" by Clarence Young is an adventure novel published in 1919. Part of the popular Motor Boys series, this installment follows three friends—Bob Baker, Ned Slade, and Jerry Hopkins—as they serve in World War I. The young heroes find themselves on the front lines, facing danger and testing their courage in wartime. Written during the final year of the Great War, this tale captures the patriotic spirit of the era. (This is an automatically generated summary.)