"Tom Swift in the Land of Wonders; Or, The Underground Search for the Idol of Gold" is Volume 20 in the Tom Swift novel series published by Grosset & Dunlap. When Professor Bumper discovers documents pointing to the lost city of Kurzon deep in Honduras—and its legendary golden idol—he invites Tom Swift along. But a rival professor threatens both the expedition and Tom's relationship with his sweetheart Mary Nestor. Driven by envy rather than adventure, Tom must race to Honduras to prevent his rival from claiming both the treasure and Mary's heart. (This is an automatically generated summary.)