One of the best books on marketing I had ever read is the famous “Obvious Adams”.  The book is basically trying to get you to notice the “Obvious” which is in front of you.  It is not hundreds of pages long or complex, it is a short book (it almost does not qualify as a book, more of a pamphlet) but anyone in business should give it a read at least once. 

I was surprised to see a copy of it now available in PDF.  Read it at:

http://lcweb2.loc.gov/service/gdc/scd0001/2006/20060721003ob/20060721003ob.pdf