Ebooks for Science & Technology Students

Meta search 30+ ebook sites with one click. Advanced search lets you select by device brand, format, source and sort by price.

Over 1000 free e-textbooks for university students, books for business professionals and travel guides in PDF format. Main focus areas are Business/Economics, Engineering/Natural Sciences and IT.

Search or browse over 130,000 free online books by title keyword, author, or subject. This index is intended as a "Meta-index" for most major e-book sites, along with thousands of smaller specialized sites. iPad, Kindle and Nook supported.

For fiction e-books, from romance to mystery, or non-fiction, from business information to self-improvement. Includes self-published material and non-copyrighted e-books. The majority of books are offered in your choice of either HTML, TXT, PDF. EPUB or MobiPocket (.PRC) formats require membership.

The complete text of many public domain books (published before 1923) are included, as well as brief excerpts from other books. Google Books will often direct you to sites that will ask you to pay for an e-book. Don't pay! Look up the book in the library's databases first.

Created by the Internet Archive, this site offers access to important book collections from around the world through a visually appealing and easy to use interface.

Several thousand high-quality, well-documented electronic texts in a variety of languages. Its holdings include electronic editions of works by individual authors and standard reference works such as the Bible and dictionaries.

Over 36,000 free e-books published before the 20th century (copyrights have expired). Choose between EPUB, Kindle, HTML and simple text formats to download to your PC, Kindle, Android, iOS or other portable device.

Hosted by the University of Pennsylvania Libraries, this site lists more than a million works. You can browse by subject or call number as well as search. Mostly texts are in widely supported formats, such as HTML, PDF or plain text.

A collaborative of colleges, government agencies and other non-profits that provides listings pointing to textbooks on many repositories.

Offers students free textbooks that meet scope and sequence requirements for most courses. These are peer-reviewed texts written by professional content developers.

Post secondary textbooks available in a wide variety of subject areas.

Lists free online computer science, engineering and programming books, textbooks and lecture notes freely available over the internet.

A collection of selected books with expired copyrights chosen from the mathematics field.

Consists of a huge collection of free online Computer, Programming, Mathematics, Technical Books, Lecture Notes and Tutorials. Links to books freely available on other sites.

Free books from O'Reilly, with various forms of "open" copyright. Some are new, while others are out-out-print.