1. Free eBooks

2. Project Gutenberg

3. Online Programming Books

4. Bookyards

5. Ask Sam

6. Baen

7. Free Book Spot

8. Get Free eBooks

9. Open Culture

10. The Book Depository

11. Free Tech Books

12. GloBusz

13. Online Free eBooks

14. Memo Ware

15. PDF Books

16. Bibliotastic

17. Alive and Free

18. e-Library

19. Book Boon

20. Diesel eBooks

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