http://book.klll.cc/ebooks/subject/8308.opds?sort_order=title 2025-08-09T03:13:48Z Books about Extinct cities -- Juvenile fiction (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-09T03:13:48Z https://book.klll.cc/ebooks/subject/8308.opds?sort_order=release_date Sort by Release Date 2025-08-09T03:13:48Z https://book.klll.cc/ebooks/subject/8308.opds?sort_order=downloads Sort by Popularity 2025-08-09T03:13:48Z https://book.klll.cc/ebooks/43204.opds Motor Boys in Mexico; Or, The Secret of the Buried City Clarence Young 2025-08-09T03:13:48Z https://book.klll.cc/ebooks/66341.opds Mystery of the Deserted Village Elbert M. Hoppenstedt 2025-08-09T03:13:48Z https://book.klll.cc/ebooks/4711.opds Tom Swift in the City of Gold; Or, Marvelous Adventures Underground Victor Appleton 2025-08-09T03:13:48Z 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