National Parks Conservation Association (NPCA) publishes National Parks, which includes articles about areas in the National Park System, proposed new areas, threats to parks or park wildlife, new trends in park use, legislative issues, and endangered species of plants or animals relevant to national parks. Query first, enclosing samples/clips of your work. Include a brief outline of your idea(s) with submission. Queries should include a self-addressed stamped envelope. NPCA is not obligated to buy a manuscript, including assigned stories, until stories are accepted for publication. The kill fee is 33-1/3-percent. Payment is made upon acceptance and after all parties sign a letter of agreement. National Parks does not guarantee publication of manuscripts, even if accepted. NPCA buys First North American Serial Rights and copyrights articles as part of the collective work, National Parks. For complete guidelines, visit http://www.npca.org/magazine/writers_guidelines.html. Electronic submissions can be sent to Amy Marquis at email@example.com. Contact National Parks 1300 19th St., NW, Suite 300, Washington, DC 20036, (202) 223-6722.