Mehhh. Kinda of boring and really not that helpful. Ruppenthal gives a little bit of this and a little bit of that, but no real substance. It's like a Cliff Notes version of gardening on a micro level. He covers way too much from composting, worms, sprouts, mushrooms, etc., etc. but only at a surfa...
This is a good book for ideas - the author dips into gardening, beekeeping, mushroom growing, sprouts, etc... with more expertise in the gardening and sprouting areas. I may not be as ready as he is to contemplate more closely any future shortages in resources that will make more urban food product...