For more books that you can read online, try looking in the following e-book collections:
ProQuest Ebook CentralThis link opens in a new windowElectronic versions of printed books. E-books can be viewed on any device connected to the internet. Some are available for download.
eBooks on EBSCOhostThis link opens in a new windowElectronic versions of printed books. eBooks can be viewed on any device connected to the Internet. Some are available for download.
STAT!Ref (TDS Health)This link opens in a new windowMedical Reference e-books, useful for definitions and access to ICD-9 and 10.