By Mr. Hisashi Koyama: The True Nature and Fear of Electromagnetic Waves: Are Cell Phones, Computers, and Microwaves Safe?! There is a small tear on the back cover. There are also some yellowing and scratches, but there are no problems with reading. Please purchase if you understand that this is a used item. #Bookstore List of Items for Sale We have many other items listed above, so please take a look. [About Cleaning/Packing] Price tags are carefully removed, and the covers are cleaned with alcohol. It will be placed in an OPP bag for waterproof protection, and shipped in an envelope.