This trusted guide helps you master the key concepts you will need to succeed on certification exams and in your professional career, from code and OSHA requirements to business management, building theory, relevant math concepts and industry terminology. Now updated to reflect the 2021 International Residential Code� and International Building Code�, this valuable resource includes useful features like test-taking strategies, answer keys and access to the Cengage Online Licensing Exam Prep Course, which simulates the actual licensing exam experience.