Review: seems pretty informative
Rating: 4 out of 5
Date: 06 24, 2013
I got this for free this morning. It is more of a pamphlet than a book.It has a fair number of writing errors, but the content seems solid.I have not tried his growing method, but it seems like a much simpler and cheaper system than the more elaborate hydroponic systems that rely on electricity to keep them going.