The book is one of the maiden attempts to compile all aspects of applications of unmanned vehicles in precision farming. The book encompasses history of drone's development in the globe, basics and components of drones and application of drones in sowing till harvest, health monitoring, assessment of crop yields, risk assessment, biodiversity besides regulatory guidelines across the globe. Overall, the book covers wholesome package of drones in digital agriculture. The book will serve as a reference guide for students, scholars, researchers, scientists and industries who wish to explore and employ drones in agricultural practices. Since, drone technology is fairly recent, it may be an excellent reference book for emerging technologies in agriculture. About the Authors: Dr. K.S. Subramanian, Director of Research, Tamil Nadu Agricultural University, Coimbatore, India and awarded Ph.D. at the University of Ottawa, Canada. He has 32 years of research and teaching experiences in TNAU and acquired expertise in the fields of nanotechnology in agriculture and soil biology. Dr. Subramanian is the Founder Head of the Department of Nano Science & Technology, developed research work for Agricultural Nanotechnology, Principal Investigator of several International and National Projects. Dr. S. Pazhanivelan, Professor and Head, Department of Remote Sensing and GIS, TNAU, Coimbatore. He has twenty two years of professional experience, specialization in Remote Sensing, Disaster monitoring, crop insurances and data science. He has completed 14 research projects. He has developed TNAU RIICE technology of Remote sensing-based crop information for crop insurances, Smart sampling of Crop cutting Experiments using Remote sensing products and Mobile application for ground truth collection for crop monitoring and flood mapping. Dr. R. Santhi, Professor (SS & AC) and Director, Directorate of Natural Resource Management, TNAU, Coimbatore has thirty three years of total experience in teaching, research, extension and administration. She has operated 24 funded projects and has expertise in STCR-IPNS Research for more than 25 years and under her leadership, STCR IPNS based fertilizer prescriptions for major Agricultural & Horticultural crops has been evolved and released as