In Ambrose Newcomb's 'Trackers of the Fog Pack; Or, Jack Ralston Flying Blind', readers are immersed in a captivating narrative of adventure and mystery. The bo

Setting the stage : technology and the series book -- Birdmen and boys, 1905-1915 -- Aces and combat : World War I and after, 1915-1935 -- Interlude : Charles A

The "Sky Detectives" are ace pilots Jack Ralston and his pal "Perk," who help the Secret Service unravel baffling cases. This volume contains the complete 6-boo