http://book.klll.cc/ebooks/bookshelf/32.opds?sort_order=release_date 2025-08-07T01:01:50Z Books in Engineering (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 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/bookshelf/32.opds?sort_order=author Sort Alphabetically by Author 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/bookshelf/32.opds?sort_order=title Sort Alphabetically by Title 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/bookshelf/32.opds?sort_order=downloads Sort by Popularity 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/43375.opds Measuring Tools Unknown 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/24855.opds Concrete Construction: Methods and Costs Halbert Powers Gillette and Charles Shattuck Hill 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/24681.opds Opportunities in Engineering Charles M. Horton 2025-08-07T01:01:50Z https://book.klll.cc/ebooks/12299.opds The Mechanical Properties of Wood Samuel J. Record