There were pencil markings, but they were erased with an eraser. It shows signs of use, but there are no noticeable stains. This is the 2022 edition, so it's a bit old, but I used it to prepare for the 2025 exams. I was able to learn about question trends, common phrases, and tricky answer choices, which was very helpful. #HazardousMaterials #ClassA #Class4 #Certification #HazardousMaterialsTextbook #HazardousMaterialsHandler