Hazardous Materials Handler Examination (Class A) Textbook, Volumes 1 & 2, and Problem Book ① Hazardous Materials Handler Examination Course (Class A) Volume 1: Practical Edition ② Hazardous Materials Handler Examination Course (Class A) Volume 2: Regulations Edition ③ Hazardous Materials Handler Examination Course (Class A) Study Guide & Mock Exam - Publisher: jtex ※ All monochrome. Not in color. ※ There are no markings in the textbooks or problem books. ※ The covers are slightly dirty, but the contents are clean. Please check the photos. I passed the exam using these textbooks. I have kept them with care.