Tom Swift and His Big Tunnel: Or, the Hidden City of the Andes

Tom Swift and His Big Tunnel is the 19th book in the original Tom Swift series.

"Every boy possesses some form of inventive genius. Tom Swift is a bright, ingenious boy and his inventions and adventures make the most interesting kind of reading."

"These spirited tales convey in a realistic way, the wonderful advances in land and sea locomotion and other successful inventions. Stories like these are impressed upon the memory and their reading is productive only of good."