Book excerpt: Prepare to be enthralled by 'Merchants of Disaster', a Doc Savage adventure that plunges readers into a realm of unparalleled suspense and peril. As enigmatic lights illuminate the night sky above the nation's capital, a chilling wave of suffocation grips Army troops across the land. In response, the War Department turns to the brilliant mind of Doc Savage and his fearless team to delve into a baffling enigma.