This book provides readers with essential insights into composite materials, encompassing methods for fabricating composite parts (PMCs, MMCs, CMCs), determining their mechanical properties via coupon testing and rule of mixtures, and exploring their industrial applications. Additionally, the book covers topics of interest for engineers, including damage tolerance analysis, nondestructive inspections, repairing damaged composite and metallic parts, and fabricating composite parts using additive manufacturing processes. Drawing on his years of experience in the aerospace industry, the author believes the topics presented will be valuable to readers and that engineers in industries, students in academia, and university instructors will find this book beneficial.