From Wiktionary, the free dictionary
From club + zine.
clubzine (plural clubzines)
- An amateur magazine published by and for members of a club.
1997, Kevin Standlee, “Information on MythInformation?”, in alt.fan.asprin (Usenet):Frankly, there was no point of publishing a clubzine if the only thing we were going to discuss was "when's the next book coming out."