An eBook (Electronic Book) is an electronic version of a printed book. It has text, images, links etc. They are produced and published electronically and readable on computers or other electronic devices like mobile, tablets etc.
Here are some of the online sources for free eBooks download in pdf, ePub and mobi formats.
It has over 42,000 free ebooks in ePub, kindle format. You can download them or read them online.
It has pdf eBooks under a lot of category.
It has eBooks under Fiction, Non Fiction, Academic and Textbooks available in pdf, txt, mobi, ePub formats.
It has free eBooks and textbooks under various categories.
It has free eBooks in pdf format under more than 76 categories.
It has lots of free ebooks in either pdf, epub or kindle file formats under various categories.
It has computer science, engineering and programming books, textbooks and lecture notes.
It has computer, mathematics, technical books and lecture notes.
It has nice collection of legally free computer programming books.
It has ebooks in various formats and lots of other features.
If you want to search for pdf books, articles, tutorials etc. then you can use this pdf search website called FindPDF.