Amazon is currently offering a few free eBooks in the gardening/homesteading genre. These will download to your Kindle, PC, Mac, Android, Blackberry, iPhone, or iPad device!
Vertical Gardening: Grow Your Garden Up to Harvest Beautiful Fruits, Vegetables, and Plants in Small Spaces (Garden in Urban Locations, Small Spaces, Anywhere Else Using Vertical Gardening) (reg. $2.99)
Greenhouse Gardening the Easy Way!: Learn to Greenhouse Garden: What plants grow best, how to use vertical gardening and other methods to create an optimal year round or seasonal greenhouse. (reg. $2.99)
The Quest of the Simple Life (reg. $9.99)
Amazon prices can change at any time. Be sure to verify the price before ordering.