For Your Information - This page contains links to Free Books and Free Online Information.
Gutenberg This site has over 100,000 books to download. This is the link to their catalog. Books are available as Plain Text, PDF (Portable Document Format -also known as Acrobat files), Audio files, HTML (HyperText Markup Language, - Format viewablefor your browser like a web page), and many other formats. (like for devices like PDAs -Personal Digital Assistant)
Internet Archive offers over 10,500,000 fully accessible books and texts.
LibriVox is a group of worldwide volunteers who read and record public domain texts creating free public domain audiobooks for download.
pdfBooks This is a site that has books for download in the Portable Document Format (PDF)
Free Tech Books has free online computer science, engineering and programming books, textbooks and lecture notes.
Textbook Revolution, has links to free textbooks and select educational resources of all kinds. Some of the books are PDF files, others are viewable online as e-books.
Wikibooks is a Wikimedia community for creating a free library of educational textbooks that anyone can edit.
How Products Are Made is a site of online information on the manufacture of products.