Book excerpt: This book provides systematic information on the lychee and modern tools to promote its sustainable growth and development. Including dedicated chapters on the evolution and diversification of the lychee, it highlights its genetic makeup and reciprocal exogenous factors, addressing the narrow genetic pool and lack of natural biodiversity. It also discusses issues related to post-harvest losses and robust approaches at the commercial level. Further, the book offers insights on in vitro propagation methods and prospective transgenic approaches for selected lychee cultivars. Chapters on the production of bioactive compounds and their enhancement through genetic transformation and elicitation are also included, reflecting the latest advances in the field of lychee biotechnology. Lastly, the book explores the use of molecular marker techniques to achieve the desired improvements in fruit trees’ medicinal and aesthetic value.