For more information and discussions about the current state of Monks in Legion, join their Discord: https://discord.gg/0dkfBMAxzTmggsPH
First, let’s begin with the Leveling guide from Monks from 100 to 110.
http://www.icy-veins.com/wow/monk-leveling-guide
Here are the different Icy Veins post for each specialization available to you in Legion:
Windwalker:
http://www.icy-veins.com/wow/windwalker-monk-pve-dps-guide
Brewmaster:
http://www.icy-veins.com/wow/brewmaster-monk-pve-tank-guide
Mistweaver:
http://www.icy-veins.com/wow/mistweaver-monk-pve-healing-guide
Additionally, for those of you unfamiliar with the changes made to Monks in Legion:
http://www.wowhead.com/guides/classes/legion/monk