There are quite a few great resources, and just interesting reads for those interested in being self sufficient.
Books:
Being in Minnesota, we appreciate these two authors that live in Maine and understand the issues of short season gardening
The Garden Primer - by Barbara Damrosch (she has a new addition coming June 2015)
Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long - by Eliot Colman and Barbara Damrosch
The Winter Harvest Handbook: Year Round Vegetable Production Using Deep Organic Techniques and Unheated Greenhouses - By Eliot Coleman and Barbara Damrosch
Magazines:
Grit
Mother Earth News
Acres