Here are some stores in San Francisco to buy the DOCBOT comic book. You should go to this stores not just to by my comic but to give them business as they are all great places! Here is the list below of stores to find DOCBOT and other great books, etc.
Isotope Comics Lounge http://isotopecomics.com/
Comic Outpost http://comicoutpost.net/
Comix Experience http://comixexperience.com/
Cartoon Art Museum Store http://cartoonart.org/join-support/store/
The picture below shows the DOCBOT comicbook in the Cartoon Art Museum Store.