This book, Yarn Manufacture: Laboratory Manual?cum?Application Handbook Volume I is aimed to provide the basic understanding of theory and practical aspects in fibre preparation processes such as Blow room and Carding and spinning preparation such as Draw frame. The unique feature of this book is it covers both theoretical aspects of the concepts with suitable diagrams as well as the practical aspects to be noted down in the particular department. The machine and process parameters also discussed in this book. This book provides basic textbook for the Textile Technology students in universities and colleges, and academicians to teach their students. This book, Yarn Manufacture: Laboratory Manual?cum?Application Handbook Vol II is aimed to provide the basic understanding of theory and practical aspects in spinning preparatory processes such as comber preparatory and comber, and in speed frame, ring frame and rotor spinning. The unique feature of this book is it covers both theoretical aspects of the concepts with suitable diagrams as well as the practical aspects to be noted down in the particular department. The machine and process parameters also discussed in this book. This book provides basic textbook for the Textile Technology students in universities and colleges, and academicians to teach their students.