Here’s a curated list of websites offering free PDF textbooks covering various subjects like science, engineering, literature, and more:
1. Project Gutenberg
- Focus: Literature, History, Philosophy
- Highlights: Offers over 60,000 free eBooks, mostly classic literature in the public domain.
- Website: www.gutenberg.org
2. OpenStax
- Focus: Academic Textbooks (Science, Math, Humanities)
- Highlights: Provides peer-reviewed textbooks for high school and college courses.
- Website: www.openstax.org
3. Library Genesis (LibGen)
- Focus: Wide variety of topics (Engineering, Medicine, Literature)
- Highlights: A massive database of books, research papers, and articles.
- Website: libgen.is
4. Internet Archive
- Focus: History, Arts, Science
- Highlights: Millions of free eBooks, including textbooks and scanned books.
- Website: archive.org
5. Bookboon
- Focus: Business, Engineering, IT
- Highlights: Free textbooks for students and professionals, available in PDF format.
- Website: bookboon.com
6. PDF Drive
- Focus: Diverse Topics (Education, Novels, Guides)
- Highlights: Huge collection of free downloadable PDF books, including textbooks.
- Website: www.pdfdrive.com
7. Free-Ebooks.net
- Focus: Academic, Fiction, Non-fiction
- Highlights: Offers free eBooks in various categories for registered users.
- Website: www.free-ebooks.net
8. Google Books (Free Section)
- Focus: Various Topics
- Highlights: Search for free downloadable books in the “Free Google eBooks” section.
- Website: books.google.com
9. Open Library
- Focus: Literature, Academic
- Highlights: A part of Internet Archive, allows free access to thousands of books.
- Website: openlibrary.org
10. ManyBooks
- Focus: Fiction, Non-fiction, Academic
- Highlights: Provides free eBooks in multiple formats, including PDF.
- Website: manybooks.net
11. Textbook Revolution
- Focus: Academic Textbooks
- Highlights: Free resources for students, particularly in STEM fields.
- Website: textbookrevolution.org
12. ScholarWorks
- Focus: Research, Academic Texts
- Highlights: Free access to academic resources and textbooks.
- Website: Varies based on institution (search for your local ScholarWorks).
13. FreeTechBooks
- Focus: Computer Science, Programming, Engineering
- Highlights: Specialized in free technical books and lecture notes.
- Website: freetechbooks.com
14. E-Books Directory
- Focus: Various Topics (Science, Literature, Self-Help)
- Highlights: A categorized directory of free textbooks and eBooks.
- Website: ebooksdirectory.com
15. DOAB (Directory of Open Access Books)
- Focus: Academic Textbooks
- Highlights: Provides free access to scholarly books in multiple disciplines.
- Website: www.doabooks.org
These websites provide legitimate, free resources for students, researchers, and general readers. Some may require registration. Do you need help with any specific subject or category?