Moodle 2.6 for Teachers:-An Illustrated Guide. – Kindle edition by Mark Rollins. Download it once and read it on your Kindle device, PC, phones or tablets.
See on www.amazon.com
Mark does lots of excellent and often free stuff on Moodle and eLearning. His website/blog is highly recommended and covers all manner of features from strategic deployment of elearning to pedagogy changes and how to get started videos. Find it at http://muppetmasteruk.wordpress.com
He also does some highly recommended consultancy through his website http://e-teachuk.net
Mark also uses ScoopIT where he posts some super resources: http://www.scoop.it/t/e-learning-and-technology