Smashwords

Smashwords stands out as one of the best sites to download free PDF textbooks, offering a vast collection of educational resources for students and readers alike. This platform provides a diverse range of categories, encompassing various subjects and disciplines. From science to literature, Smashwords covers it all. The site's popularity has soared due to its user-friendly interface, extensive catalog, and the ability for authors to self-publish their works. With its commitment to promoting knowledge and accessibility, Smashwords has become a go-to destination for those seeking free PDF textbooks and expanding their educational horizons.

Pros:

• Extensive collection of free PDF textbooks
  
• Wide range of categories covering different subjects
  
• User-friendly interface for easy navigation
  
• Opportunity for authors to self-publish their works
  
• Promotes knowledge sharing and accessibility
  

Cons:

• Limited availability of popular mainstream textbooks
  
• Quality and accuracy of some self-published works may vary

Official website: https://www.smashwords.com/