But be carefull, you will lose all the skill points, you will also lose all the old world recipes and you will lose Legion recipes, that are not part of the quest chain. This book will teach you every recipe you learned from the quests.

After this you can take a new profession and if you ever decide to go back to your first one, you can always buy a book near trainer in dalaran. Falcosaur mounts are pretty easy to get, prestige mounts are a bit of a grind but just doing the PvP world quests will get you there eventually. 100 world quests, and reach revered with the opening six Legion factions. You take a profession, do the questchain. World of Warcraft: The Burning Crusade introduced flying mounts in select. I advise you to do most of them when you get bored, because profession in Legion have one of the best quests. All of them have cool features and fun moments in the storyline.

Even Mining, skinning and herbalism have some number of quests. In Legion we need to complete a quest chain to unlock most of the base level recipes.

Mounting made easy legion quest