Used for six months after purchasing new from a bookstore in April 2024. As shown in the images, there is some writing. Second Edition Data Science Series Introduction to Data Science Edited by: Akimichi Takemura, Tetsuto Himeno, Seiji Takada Co-authored by: Shizue Izumi, Osamu Ichikawa, Takaro Umezu, Kazuo Kitahiro, Kunihiko Saito, Tomokazu Sato, Tsuyoshi Shirai, Seiji Takada, Akimichi Takemura, Takuma Tanaka, Tetsuto Himeno, Naoki Makita, Hidetoshi Matsui Gakujutsu Tosho Shuppansha * There is a mark on the back cover where a name has been erased.