Here we go again, lots of freebies from Nisyros, Heraklion, Waxkeep and Pyrrhus.
So let's have a oddie first
Brassicas are an exceedingly important vegetable family overwhelming any other.
They include cabbage, chinese cabbage, cauliflower, broccoli, brussels sprouts, kohlrabi (knolkhol), collard greens, and kale
I think
Brassica Vegetables by Roby Jose Ciju will tell you more than you could want to know.
Her
Mint Herbs booklet is also free
Roby Jose Ciju is a professional horticulturist with post graduate level academic qualifications in Horticulture and Agribusiness Management and several years of professional experience in gardening, horticulture, agribusiness, food retailing and organic farming. She has also founded a website called agrihortico.com for the dissemination of quality technical information on gardening, horticulture and agribusiness concepts.
Roby has authored several technical books on gardening, horticulture, and food and agribusiness concepts.
http://www.amazon.com/gp/product/B00HXAB62Q/
http://www.amazon.co.uk/gp/product/B00HXAB62Q
http://www.amazon.ca/gp/product/B00HXAB62Q//