http://book.klll.cc/ebooks/subject/8308.opds 2025-08-08T03:48:49Z Books about Extinct cities -- Juvenile fiction (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-08T03:48:49Z https://book.klll.cc/ebooks/subject/8308.opds?sort_order=title Sort Alphabetically by Title 2025-08-08T03:48:49Z https://book.klll.cc/ebooks/subject/8308.opds?sort_order=release_date Sort by Release Date 2025-08-08T03:48:49Z https://book.klll.cc/ebooks/499.opds Tom Swift in the Land of Wonders; Or, The Underground Search for the Idol of Gold Victor Appleton 2025-08-08T03:48:49Z https://book.klll.cc/ebooks/43204.opds The Motor Boys in Mexico; Or, The Secret of the Buried City Clarence Young 2025-08-08T03:48:49Z https://book.klll.cc/ebooks/4711.opds Tom Swift in the City of Gold; Or, Marvelous Adventures Underground Victor Appleton 2025-08-08T03:48:49Z https://book.klll.cc/ebooks/66341.opds The Mystery of the Deserted Village Elbert M. Hoppenstedt