http://book.klll.cc/ebooks/subject/9063.opds?sort_order=release_date 2025-08-29T21:31:36Z Books about Philosophy -- Introductions (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-29T21:31:36Z https://book.klll.cc/ebooks/subject/9063.opds?sort_order=title Sort Alphabetically by Title 2025-08-29T21:31:36Z https://book.klll.cc/ebooks/subject/9063.opds?sort_order=downloads Sort by Popularity 2025-08-29T21:31:36Z https://book.klll.cc/ebooks/34198.opds The will to doubt : An essay in philosophy for the general thinker Alfred H. Lloyd 2025-08-29T21:31:36Z https://book.klll.cc/ebooks/9304.opds Initiation into Philosophy Émile Faguet 2025-08-29T21:31:36Z https://book.klll.cc/ebooks/5827.opds The Problems of Philosophy Bertrand Russell