☆ Class 4 Hazardous Materials Handler Textbook & Exam Reference Guide 2-Book Set ☆ Ships Immediately! There is writing in them ( ^_^ ;) I passed with these, so please forgive me ⸜(ᐢᗜᐢ˶)⸝ Please check the photos carefully before purchasing! Please consider purchasing if you understand that these are used items. Instant purchase is OK. No price reductions.