Synopsis The working child or child labour has been considered as vulnerable group in our society. Several disciplines are involved in understanding the growth and development of this vulnerable group. Social workers and educationists have been for a long time concerned more with the child labour and have contributed a great deal in focusing the attention of the people to the importance of several factors which should be taken care of in helping them to develop fully. It is, therefore necessary to understand the scientific basis of this ever increasing problem of child labour so that public opinion can be more really contributed in a large measures. This encyclopaedia encompasses a detail overviews and approaches in its admit and as such it is expected to be of much interest to a vast spectrum of scholars.