Trade publications are magazines that serve a specific industry and the people who work in those industries.
Before submitting to any of these publications, study the magazine. Sample copies can often be requested if not available online. Thoroughly read and follow the guidelines if you want the editor to read — rather than trash — your submission.
The Bloomsbury Review accepts submissions of book reviews, essays, poetry, interviews, and other book-related articles. http://www.bloomsburyreview.com/reviewerguide.html
Advanced Christian Writer is a bimonthly, eight-page newsletter targeted for published authors; and The Christian Communicator, a 20-page, monthly (Nov/Dec combined) magazine for Christian writers and speakers is written for beginning and intermediate writers. http://regaforder.wordpress.com/articles/guidelines-ad-rates/
Kids’ Ministry Ideas is a resource publication for those leading children to Jesus. It supports children’s ministries leaders by providing affirmation, pertinent and informative articles, program ideas, resource suggestions, and answers to questions from a Seventh-day Adventist Christian perspective. http://kidsministryideas.org/content/writers_guidelines
SchoolArts Magazine is a monthly magazine serving the arts and craft education profession, written by and for art teachers. http://www.davisart.com/Promotions/PDF/WG_2014.pdf
Acres U.S.A. is a magazine written by passionate people who have a sincere interest in the principles of sustainable and organic agriculture. http://www.acresusa.com/writers-guidelines/