http://book.klll.cc/ebooks/bookshelf/256.opds?sort_order=downloads&start_index=76 2025-08-24T08:12:42Z Books in Scientific American (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 76 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/13399.opds Scientific American Supplement, No. 530, February 27, 1886 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/14009.opds Scientific American Supplement, No. 787, January 31, 1891 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/27667.opds Scientific American Supplement, No. 647, May 26, 1888 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/13401.opds Scientific American Supplement, No. 520, December 19, 1885 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/13358.opds Scientific American Supplement, No. 803, May 23, 1891 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/8408.opds Scientific American Supplement, No. 299, September 24, 1881 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/11498.opds Scientific American Supplement, No. 601, July 9, 1887 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/8483.opds Scientific American Supplement, No. 324, March 18, 1882 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/15889.opds Scientific American Supplement, No. 613, October 1, 1887 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/8687.opds Scientific American Supplement, No. 362, December 9, 1882 Various 2025-08-24T08:12:42Z https://book.klll.cc/ebooks/38403.opds Scientific American Supplement, No. 648, June 2, 1888. Various