Used for studying for the exam, so it has a used feel like the spine in the photo. There are no writings, but I apologize if there are any sticky notes left inside. A reference book containing the past 5 years' worth of problems from the Pollution Control Manager Examination. - Title: Pollution Control Manager National Examination: Correct Answers and Hints - Years Covered: 2018-2022 - Subject Areas: Air Pollution, Specific Dust, General Dust - Includes Past 5 Years: Contains exam questions from the past 5 years - Publication Year: For 2023 - ISBN: 1925071950000 Thank you for looking.