While there are no issues with reading the book, please be aware of the following: * Some sections have lines drawn with a pen. However, the lines were drawn with a ruler, so they don't look too bad. * There is some soiling on the edges of the pages. * There is a name stamp on the top edge of the pages. * The cover is torn and has been repaired with tape. * The cover is secured with tape. A specialized book covering control theory from classical to modern. - Title: Control Theory Fundamentals (From Classical to Modern) - Authors: Michio Nakano, Emiko Amano - ISBN: ISBN 4-7856-1109-X - Publisher: Shokodo Thank you for looking.