First Guy N Smith novel I ever read, I continued to read as many of his books as I could find and even met the author - this is a cautionary tale of the peril in messing around with the grand scheme, where we strive as a species for such ease as would beat back Nature to favour our own designs on the environment, but of course such dabbling must come at a price, and what will be paid where the slightest lapse may permit Nature's way resume - along with whatever chemical development has mutated it...