Textbook, question papers, and practical materials set for crowd control security operations, Level 2 certification exam preparation. - Title: Crowd Control Security Operations, Level 2 - Publisher: Security Industry Association of Japan - Type: Certification exam preparation textbook, question collection - 5 sets of 20 practice questions and 1 answer sheet - Practical materials, color print edition *Textbook and practical materials have writing in them. *Writing has been erased from the practice questions. I studied with the above and passed the exam.