Restoration

Druids call upon the nature itself to aid in their spells of healing. They are also able to utilize their shapeshift capabilities to gain a upper hand in a dire situation.

 

An extremely useful tool for overall optimization

http://www.askmrrobot.com

WoWhead Restoration guide

http://www.wowhead.com/restoration-druid-guide

Icy Veins Restoration guide

https://www.icy-veins.com/wow/restoration-druid-pve-healing-guide

Noxxic Restoration guide

http://www.noxxic.com/wow/pve/druid/restoration/