Thank you for viewing this item. No need to ask for permission to buy. 【Size】 B6 size, 128 x 182mm, 16mm thick 【Condition】 ・Purchased used from Amazon around November 2019 and read a few times. ・Stored on a bookshelf away from sunlight, so there is no sun damage. ・There are some minor scratches, folds, and scuffs on the cover and pages. There is no dirt. ・Includes the obi (with a fold), no writing, and is not a rental item. ・Please understand that this is a used item, based on the images provided. 【Shipping and Other Information】 ・Will be shipped in waterproof and cushioned packaging using OPP bags and bubble wrap envelopes. ・If the thickness exceeds 3cm, it will be packaged with bubble wrap and a cardboard box. ・No pets or smokers. #ThreeAxisCorrectionMethod #Precession #UniversalGravitation #RokuroIkegami #BABJapan