Edges and boards have light shelfwear and rubbing. DJ protected with mylar. Pages tight and clean. Library discard with usual marks and attachments. Pocket removed. Contrary to popular belief, most bacteria and other microorganisms are helpful and friendly to human beings. For thousands of years man has used microorganisms in the preparation of food. He did not realize it, but when he stumbled upon a way to make cheese, leavened bread, beer, wine and sauerkraut, he was making use of microorganisms. The edible mushroom is itself a microorganism-a fungus. Such unexpected and fascinating information enlivens this many-faceted story of the roles microorganisms play in our lives.Visit my eCRATER Store for other great books and save on shipping! FREE DOMESTIC SHIPPING on orders over $25 when you buy other eligible items!Most books have shelfwear and cover scuffing. Binding is tight unless otherwise noted. If additional information is needed about condition,please ask for a more detailed description. We receive books from many sources and cannot guarantee against pet, perfumeor smoke smells. If this is a concern, please email and we will be glad to check the individual book.All prices are in US dollars.We use actual photos when possiblesince stock photos may be different from our copy.The information provided by eCRATER licensed through MUZE is not always correct and is only provided as a courtesy. If there are any differences, our input is the correct information.DOMESTIC SHIPPING: Most shipping is by Media Mail with delivery confirmation. Discounts available for multiple books that are paid for in one transaction. Priority and Express mail available. Email for details.INTERNATIONAL SHIPPING: We ship worldwide for actual postage plus $1.75 handling per order. International buyers must contact me for final costs before making payment.Pay me securely with any major credit card through PayPal!