This is a book that explains the basic laws of physics in an enjoyable way. I read it with a cover that I got at the bookstore, so the cover itself is clean. It has been read only once. There are some minor dents. - Title: Physics is Fun When You Know Where to Start - Author: Takeo Tama - Content: 50 important laws and principles explained in an enjoyable way by scientists - Publisher: Gakken Plus Co., Ltd. - ISBN: 978-4-05-204170-6 Thank you for looking.