Thank you for viewing. ● This is a set of 2 volumes. Volume 1: February 15, 1973, reprinted There is a small piece of paraffin paper attached to the inside of the cover's spine to repair a tear. There are also page openings, stains, and damage. Volume 2: March 20, 1990, 5th edition The overall condition is not bad, but there are stains mainly on the edges. ● Cleaned with alcohol, etc. ● Will be shipped with measures to prevent water damage. ● Price negotiations are not accepted. The price will be gradually reduced. ● Immediate purchase is OK.