Question 1

What's the best Olsen, John C. (John Charles), b. 1869 book to start with?

Accepted Answer

For most readers, Van Nostrand's chemical annual is the most popular Olsen, John C. (John Charles), b. 1869 title on Lex. It's available free as both an ebook and a downloadable EPUB, so you can sample it before committing to a longer work.

Question 2

How is Lex different from Project Gutenberg for reading Olsen, John C. (John Charles), b. 1869?

Accepted Answer

Lex sources public domain books from Project Gutenberg, Standard Ebooks, and the Internet Archive, but adds a modern reader (custom fonts, themes, highlights, bookmarks, dark mode), human-narrated audiobooks for the major works, native iOS and Android apps, and reading progress sync across devices. Project Gutenberg provides the raw EPUB files; Lex turns them into a reading experience.

Question 3

Is Lex free?

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Olsen, John C. (John Charles), b. 1869

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