I thought i had to be level 77 before i could purchase cold weather flying (i dont have an 80 on this account to buy the boa book)

Has something changed? I'm a bit confused why the NPC would send this mail to me if i couldn't buy the cold weather flying.

http://i104.photobucket.com/albums/m161/gl33m4x/flyingmount.jpg


Basically, will i be able to buy it if i drop the 5000g on the epic mount?

As your fellow posters have noted, Tëase, the mail message you received is just letting you know that you're now eligible for Artisan Riding.

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Q u o t e:
Artisan Riding (Skill 300)

• Ground Speed: 100%
  
• Flying Speed: 280%
  
• Skill Cost: 5000 gold (base)
  
• Mount Cost: 100 gold (base)
  
• Level Requirement: 70
  
• Trainer Location: Honor Hold and Valiance Keep (for Alliance); Thrallmar and Warsong Holde (for Horde); Dalaran
  
  
• Note: Faction discounts now apply to Artisan Riding purchases. The associated reputations are Honor Hold and Valiance Expedition for Alliance, and Thrallmar and Warsong Offensive for Horde. Dalaran trainers will not offer this discount.

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Cold Weather Flying is a bit different. This ability requires at least Expert Riding (Skill 225) to learn. It's considered a passive ability, so it won't replace either Expert or Artisan Riding if learned. It will simply allow you to fly in Northrend.

Players can learn Cold Weather Flying from Cold Weather Flying trainers in Northrend for 1000g at level 77. A Tome of Cold Weather Flight, an heirloom item, can be also purchased by level 80 characters for the same fee. This heirloom can then be sent to other characters on the same account, and be used at level 68.


More information is available here:

http://us.blizzard.com/support/article.xml/28787
http://www.worldofwarcraft.com/info/basics/mounts/flying-tips.html