Your first stop should be our extras section, which has bonuses for new and veteran players.
Contact us at hallofheroescontact(at)gmail.com if you want to be added to the list.
New Player Guides:
Los archivos de Arkham [Spanish language blog]
Social Media Communities:
The Card Game Cooperative (all co-op, but focuses on FFG LCGs)
Team Covenant (general tabletop, but occasionally talks Arkham)