Mention enterprise edition and the book, also some cleanup.

1 files changed, 8 insertions, 4 deletions

diff --git a/README.md b/README.md
index fcf8e40f631..048a8c883a3 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,9 @@
 
 * GitLab.com commercial services: [Homepage](http://www.gitlab.com/) | [Subscription](http://www.gitlab.com/subscription/) | [Consultancy](http://www.gitlab.com/consultancy/) | [GitLab Cloud](http://www.gitlab.com/cloud/) | [Blog](http://blog.gitlab.com/)
 
-* GitLab CI: [Readme](https://github.com/gitlabhq/gitlab-ci/blob/master/README.md) of the GitLab open-source continuous integration server
+* [GitLab Enterprise Edition](https://www.gitlab.com/features/) offers additional features that are useful for larger organizations (100+ users).
+
+* [GitLab CI](https://github.com/gitlabhq/gitlab-ci/blob/master/README.md) is a continuous integration (CI) server that is easy to integrate with GitLab.
 
 ### Requirements
 
@@ -139,15 +141,17 @@ or start each component separately
 
 * [Mailing list](https://groups.google.com/forum/#!forum/gitlabhq) and [Stack Overflow](http://stackoverflow.com/questions/tagged/gitlab) are the best places to ask questions. For example you can use it if you have questions about: permission denied errors, invisible repos, can't clone/pull/push or with web hooks that don't fire. Please search for similar issues before posting your own, there's a good chance somebody else had the same issue you have now and has resolved it. There are a lot of helpful GitLab users there who may be able to help you quickly. If your particular issue turns out to be a bug, it will find its way from there to a fix.
 
-* [Unofficial #gitlab IRC on Freenode](http://www.freenode.net/) is another way to get in touch with other GitLab users who may be able to help you.
-
 * [Feedback and suggestions forum](http://feedback.gitlab.com) is the place to propose and discuss new features for GitLab.
 
 * [Contributing guide](https://github.com/gitlabhq/gitlabhq/blob/master/CONTRIBUTING.md) describes how to submit pull requests and issues. Pull requests and issues not in line with the guidelines in this document will be closed.
 
 * [Support subscription](http://www.gitlab.com/subscription/) connects you to the knowledge of GitLab experts that will resolve your issues and answer your questions.
 
-* [Consultancy](http://www.gitlab.com/consultancy/) allows you hire GitLab experts for installations, upgrades and customizations.
+* [Consultancy](http://www.gitlab.com/consultancy/) from the GitLab experts for installations, upgrades and customizations.
+
+* [#gitlab IRC channel](http://www.freenode.net/) on Freenode is unofficial but offers a way to get in touch with other GitLab users who may be able to help you.
+
+* [Book](http://www.packtpub.com/gitlab-repository-management/book) written by GitLab enthousiast Jonathan M. Hethey is unofficial but it offers a good overview.
 
 
 ### Getting in touch