http://book.klll.cc/ebooks/subject/38718.opds 2025-08-06T07:31:03Z Books about Hardy Boys (Fictitious characters) -- 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 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/subject/38718.opds?sort_order=title Sort Alphabetically by Title 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/subject/38718.opds?sort_order=release_date Sort by Release Date 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/70083.opds The tower treasure Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/69988.opds The house on the cliff Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/70236.opds The secret of the old mill Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/75310.opds The secret of the caves Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/75012.opds The mystery of Cabin Island Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/73102.opds The Shore Road mystery Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/72958.opds Hunting for hidden gold Franklin W. Dixon 2025-08-06T07:31:03Z https://book.klll.cc/ebooks/72840.opds The missing chums Franklin W. Dixon