This book compiles the relevant information related to genome editing tools and their roles in crop improvement. The book contains a brief introduction about various genome editing tools and their application in major crops. It discusses the genome editing approaches and the strategies used for genome editing in different crops. Some of the chapters cover the detailed methodology of sgRNA design, vector construction and transformation in different crops followed by data analysis. A few chapters focus on the applications of genome editing tools towards crop improvement. This book will be of particular interest to plant biologists working in the field of genome editing and crop breeders. It will provide valuable information and useful material for our readers’ experimental work.