This book is the starting point for junior corrosion engineers, or beginners in corrosion studying. The book is also very useful for senior corrosion technicians, where it provides the basics of corrosion theory, corrosion forms, corrosion monitoring, and corrosion control methods. The book is based on "NACE basic corrosion course" with many additional explanations and illustrations. The book also include the basic of metallurgy necessary for corrosion engineers and technicians.