We got same question I thought I could find an answer already here. Anyway, why not we try to search Google about this. I heard that Google has lots of choices and you can choose whats best for you.
normally seo guys write some quality contents and they provide some good examples to make it easy. the examples based on their own website , by the way they insert links to their own website to drive much traffic.
Yes e-book should be targeted well.This will help to make a standard of the web publishing..E-publish[Refer:: papertip.com/packages] is one of the new techniques used in optomax SEO techniques..And this is being followed by some of the best and experienced professionals..the seo giants can only forward the best solutions with variations..