There are many publications related to the Seventh-day Adventist Church, created by both members and the Church organization in official and unofficial capacities. Here are but a few of the more common publications available in Canada, with a more comprehensive list available here.
“…the Adventist World is an international magazine for Seventh-day Adventists. Published monthly by the General Conference, the journal is printed in six languages, Bahasa (Indonesian), English, French, Korean, Portuguese, and Spanish, and has a global circulation of 2 million. The magazine is also available online in Chinese, English, French, Korean, Portuguese, and Spanish.”
In print for more than 150 years, the Adventist Review is the flagship journal of the Seventh-day Adventist Church. Founded by James and Ellen White in 1849, the magazine is the one of the oldest religious publications in North America. The Review is published weekly and has a paid circulation of nearly 30,000.
Liberty is a magazine published by the Seventh-day Adventist Church that covers issues involving separation of church and state, and current events in politics. It has a circulation of over 200,000.
 Quote from Adventist Review Website 2010-06-25
 Quote from Wikipedia on Liberty Magazine 2010-06-25