international code council 2018 fire code study companion book exam guide

2015 IBC Study Companion International Building Code ICC Exam Prep Book Used

2018 International Plumbing Code Study Companion by ICC

International Code Council 2021 Mechanical Code Study Companion Illustrated Book

2018 International Building Code (IBC) by International Code Council

Mike Holt Illustrated Guide Electrical Exam Preparation Study Guide Book 2018

International Code Council 2015 Residential Code Study Companion Illustrated

2018 International Building Code (IBC) by International Code Council