Hydroponics, a method of gardening without soil, has developed over the past fifty years. While it has been proven both reliable and effective, and has received much attention in some quarters, it is still an unfamiliar practice to many gardeners. This book is designed to introduce you to the principles and methods of hydroponic gardening. Liberty Journal called ithis book "an excellent and nontechnical work for the beginner". Soft cover, 7"x10",127 pages, black and white illustrations. We offer free shipping on all orders over $19.94. Orders under $19.95 will have a $2.50 handling fee added. To order by phone call Toll Free 866-596-9982