This book is written for you, if you want to learn the industrial engineering basics, about the necessary tools for engineers and activities done by industrial engineers. If you want to work as an industrial engineer in a garment factory.
By learning industrial engineers subject, you can bring changes and bring improvement in the factory where you work.
An engineering degree is not necessary to improve factories' productivity and reducing manufacturing costs. What is required is the right attitude.
If you allow yourself to learn industrial engineering tools, you can learn most of them in one month. Then you can practice these IE tools and IE activities in the next 3 months. After that, you are ready for serving the factory. You can make things better.