http://www.gutenberg.org/ebooks/author/34191.opds 2024-11-15T06:44:29Z Books by Slaught, H. E. (Herbert Ellsworth) (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-15T06:44:29Z https://sendtokindle.compellingsciencefiction.com/ebooks/29807.opds Solid Geometry with Problems and Applications (Revised edition) N. J. Lennes and H. E. Slaught