See below for some ways to find introductory information. This will help you:
Find more books by searching Tripod:
For more reliable Google results, you can limit your search to a particular site or domain.
Sites from U.S. institutions of higher education and the U.S. government tend to be more reliable than .coms and even many .orgs.
e.g. Daptomycin site:.edu
e.g. Daptomycin site:.gov