The quickest way to gain traction, but also the most difficult marketing strategy, is to piggy-back on influencer networks, and have someone else champion your product. Talking to influencers about your Guide, and getting their opinions and insights on your Guide viability is a great way to infiltrate someone else's inner-circle. It happens all the time in business, and content marketing is no different.
You'll want to add to that original list of influencers with the help of sites like wefollow or Listorious as mentioned before. You'll also want to add the writers of any popular blogs you may find.