http://book.klll.cc/ebooks/subject/12889.opds?sort_order=downloads 2025-08-06T00:10:53Z Books about Optimism -- 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 2025-08-06T00:10:53Z https://book.klll.cc/ebooks/subject/12889.opds?sort_order=title Sort Alphabetically by Title 2025-08-06T00:10:53Z https://book.klll.cc/ebooks/subject/12889.opds?sort_order=release_date Sort by Release Date 2025-08-06T00:10:53Z https://book.klll.cc/ebooks/41097.opds Mary Lee the Red Cross Girl Helen Hart 2025-08-06T00:10:53Z https://book.klll.cc/ebooks/19063.opds Little Alice's Palace; or, The Sunny Heart Anonymous