Good Calcium vs. Bad Calcium Important Information If You Don't Know! By Shozan Kawamura Published by Cosmo Two-One Co., Ltd. Price: 1300 yen (excluding consumption tax) First edition published March 21, 1998 This is a rare item. For those who were looking for this, or for those who want to know about weathered shell calcium, how about it? There are small spots on the top, edges, and bottom of the book. There is a memo written on the endpaper, but there appear to be no writings or markings on the pages themselves. Please forgive any oversight. We ask for your understanding as this is a used book. We will ship via the safe and trackable anonymous delivery service, Rakuraku Mercari Ne-ko-pos.