An exercise book covering the basic chemistry problems necessary for university entrance exams. - Title: Chemistry Introductory Problem Mastery - Authors: Mami Kenda, Yoshio Hashizume - Edition: 2nd Edition - Features: The definitive introductory book for university entrance exams - Number of problems: 142 ultra-basic problems - Contents: An exercise book that bridges the gap between regular exams and entrance exam questions Thank you for viewing. There is a slight crease on the obi (sleeve), but there are no scratches or stains on the book itself. It has never been used, so it is in almost new condition.