1) American lifestyle magazine 2) American weekly magazine 3) Boundaries 4) Free magazine 5) Limits of achievement 6) Limits of knowledge Found on https://www.crosswordclues.com/clue/frontiers
[magazine] Frontiers is Southern California`s oldest and largest lesbian, gay, bisexual, transgender (LGBT) magazine. Founded in 1981, it is distributed freely at gay bars, clubs and businesses throughout Southern California. The biweekly publication focuses on local, national and international news related to the LGBT community, entertainm... Found on http://en.wikipedia.org/wiki/Frontiers_(magazine)