Victor Appleton
Tom Swift and His Big Tunnel; Or, The Hidden City of the Andes
"Tom Swift and His Big Tunnel; Or, The Hidden City of the Andes" by Victor Appleton is Volume 19 in the original Tom Swift novel series published by Grosset & Dunlap. When a construction company faces impossible rock while blasting a tunnel through a Peruvian mountain, they turn to young inventor Tom Swift for help. Tom's journey to Peru intertwines with his friend Mr. Damon's business troubles and a professor's quest to find a lost city, leading to unexpected discoveries in the Andes.