http://book.klll.cc/ebooks/subject/21454.opds 2025-08-09T12:14:07Z Books about Physical sciences -- 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 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/subject/21454.opds?sort_order=title Sort Alphabetically by Title 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/subject/21454.opds?sort_order=release_date Sort by Release Date 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/21526.opds The Master Key L. Frank Baum 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/436.opds The Master Key L. Frank Baum 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/53074.opds Professor Johnny J. Ā. K. 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/45347.opds The Master Key L. Frank Baum 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/62726.opds Rollo's Philosophy [Fire] Jacob Abbott 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/71711.opds Tales out of school Frank R. Stockton 2025-08-09T12:14:07Z https://book.klll.cc/ebooks/36189.opds In Search of a Son William S. Walsh