http://book.klll.cc/ebooks/subject/68.opds?sort_order=release_date 2025-08-05T23:21:57Z Books about Fourth dimension (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 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/subject/68.opds?sort_order=title Sort Alphabetically by Title 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/subject/68.opds?sort_order=downloads Sort by Popularity 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/67153.opds The Fourth Dimension Charles Howard Hinton 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/64055.opds A Theory of the Mechanism of Survival: The Fourth Dimension and Its Applications W. Whately Smith 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/60607.opds A New Era of Thought Charles Howard Hinton 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/49289.opds Scientific Romances (First Series) Charles Howard Hinton 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/45506.opds Flatland: A Romance of Many Dimensions Edwin Abbott Abbott 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/11906.opds Four-Dimensional Vistas Claude Fayette Bragdon 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/201.opds Flatland: A Romance of Many Dimensions Edwin Abbott Abbott 2025-08-05T23:21:57Z https://book.klll.cc/ebooks/97.opds Flatland: A Romance of Many Dimensions Edwin Abbott Abbott