Free marketing books

I love getting my hands on FREE marketing resources and the internet is teeming with it. These resources touch up on SEO,excel, and lots of other great digital marketing tools.

 Marketing ebooks (Three ebooks that caught my eye listed below) 
  A. Core Concepts of Marketing
  B. Advertising and and Promotion in Real Time
  C. The marketing Ideas of Social Issues
 
Didn't like those? Check out these ebooks instead!

More resources to help you stay sharp at work. I made a list of three that i'll be checking out.
FREE marketing material to look through.
      1. How to use EXCEL
      2. Company Culture Cookbook
      3. Guide to Digital Marketing