Bookshelf provides free online access to books and documents in life science and healthcare.  A vital node in the data-rich resource network at NCBI, Bookshelf enables users to easily browse, retrieve, and read content, and spurs discovery of related information.  Includes titles from:

• National Academies Press
• Agency for Healthcare Research and Quality
• NIHR Journals Library
• World Health Organization
• Canadian Agency for Drugs and Technologies in Health

Free Books4Doctors! offers access to over 360 books classified by subject or title.