Fanzine (noun)

1. A non-professional and non-official publication produced by fans of a particular cultural phenomenon (such as a literary or musical genre) for the pleasure of others who share their interest.
2. A magazine, often small and produced by fans of a particular subject, such as a band, sports team, or television show.

Origin:

Short for fan magazine, first attested in 1940, from the phrase fan magazine, from the sense of fan ("enthusiast") + magazine.

Examples:

1. He published his own science fiction fanzine in the 1970s.
2. The fanzine featured interviews with the band and reviews of their concerts.
3. She was a regular contributor to the fanzine devoted to her favorite TV show.
4. The fanzine was filled with articles, photographs and fan fiction.
5. The fanzine was a way for fans to connect and share their enthusiasm for their favorite subject.