[Estavali]

Originally Posted by Eijigawa

Log Horizon manga first chapter is out~

Source: Log Horizon manga RAW preview

Spoiler for images:

Currently, the main manga (the direct-from-novel adaptation) has released its first volume (up to chapter 8), roughly covering the events in the second half of volume one of the novel with minor changes to the story. You can have a look at the first and last chapters over here: http://www.famitsu.com/comic_clear/se_loghorizon/


Aside from this, there are the three side-story manga, each focused on a different character or guild.

• First, there's "Log Horizon Gaiden - Honey Moon Logs" (ログ・ホライズン 外伝 Honey Moon Logs) that featuring the Crescent Moon Alliance, led by the important supporting characters Mariel and Henrietta. The story appears to deviate from novel canon though, so the reader might want to keep that in mind while reading.
  
  Chapter 1 trial: http://daioh.dengeki.com/trial/honeymoon.html

• Then, there's "Nishikaze no Ryodan" (ログ・ホライズン ～西風の旅団～) which features the eponymous guild led by former Tea Party member Soujirou=Seta and his harem.
  
  Chapter one trial (in pdf format): http://www.fujimishobo.co.jp/sp/2013...izon_trial.pdf

• Lastly, there's "Class Rep Nyanta - Recipe of Happiness" (LOG HORIZON 外伝 -にゃん太班長・幸せのレシピ-). The main character here is the Werecat Swashbuckler Nyanta (who will be voiced by the excellent Mr Nakata Jouji), and how, through cooking, he spreads happiness to the people around him =3. This manga appears to be set after volume four of the novel, but doesn't have any major spoilers atm afaik.
  
  Chapter 1 and 3 trial: http://comic.pixiv.net/works/387