I am selling this book because my child passed the junior high school entrance exams in 2026. It was very helpful for subjects that are difficult to visualize (weather, solutions, electricity, etc.). There are no markings or writing in the book. A practical guide that explains chemical experiments and observation methods in detail. - Title: Wakaru Rika Jikken Kansatsu (Understanding Science Experiments and Observations) New Revised Edition - Publisher: Obunsha - First Edition Published: March 30, 2016 - Latest Edition Published: March 15, 2024 - Content: A practical guide explaining chemical experiments and observation methods. Thank you for looking.