The book describes flowering,pollination and fruit set in fruit trees as a preamble to the subject of fruit thinning.Fruit thinning is descibed in detail,its causes and methods and research which has beeb done in the past and the findings.It is a valuable book for Pomologists,Horticuturists,farmers ,students at all levels in the universities and researchers and extension workers.The book can be used with others in Pomology in Universities and colleges.Eurther,it describes the research the author carried out for his doctorate degree.