There is a black stamp on the top of the book, but it does not interfere with reading. Please purchase only if you understand. A complete 3-volume set for learning the basics of modern mathematics. - Title: Introduction to Modern Mathematics (I) (II) (III) - Authors: Katsuo Kawakubo, Masayoshi Miyanishi - Publisher: Osaka University Press - ISBN: ISBN4-87259-017-1 - Price: 2300 yen x 3 = 6900 yen - Volumes: Complete 3 volumes - Language: Japanese Thank you for viewing.