E-books

Directory of Open Access Books (DOAB)
URL: https://www.doabooks.org
InTech Open Books
URL: https://www.intechopen.com/books
PDF DRIVE
URL: https://www.pdfdrive.com/
Libri Books
URL: https://libribook.com/category/medical
Free Book Centre
URL: http://www.freebookcentre.net/
OAPEN (Open Access Publishing in European Networks)
URL: https://www.oapen.org/content
Science Direct
URL: https://www.sciencedirect.com/browse/journals-and-books
JSTOR
URL: https://about.jstor.org/oa-and-free/
De Gruyter’s Open Access Book Library
URL: http://www.degruyter.com/
BOOKBOONS
URL: https://www.bookboons.com
Digital Library Books
URL: http://www.digital.library.upenn.edu/books/
Google Books
URL: http://books.google.com.ng/
Project Gutenberg
URL: http://www.gutenberg.org/
FreeBooks4Doctors
URL: http://www.freebooks4doctors.com/