>>NL, Vol. 1 DE (Early Bird VVK Start)
>>NL, Vol. 2 DE (FAQ, Übersicht, Hotels)
>NL, Vol. 3 DE (Guten Rutsch!)
>>NL, Vol. 1 EN (Early Bird pre-sale start)
>>NL, Vol. 2 EN (FAQ, Overview, Hotels)
>>NL, Vol. 3 EN (Happy New Year!)