A-39; 32 pages; 5 .5 x 8 .5; Paperback. With a cold frame you can stretch the growing season for salad greens up to three months in short season areas! This makes it well worth the $30 worth of materials and the day of work you will put into building your own cold frame. You will be repaid many times over in pleasure, pride, and just plain good eating. In this booklet, you'll not only find several different plans for building a cold frame, but also lots of information on using your cold frame for maximum benefit.