This book titled "The Role of UML in OOp Towards software development" will help software developer s in choosing an effective mythology (ies) while developing any software. It will will also help computer Science teachers as well in their careers. The industry players are not left out. Moreover, since there has been a lot of misconception about what unified modeling language(UML) can do. This book has exposed agreat dealof it's capabilities, more especially when it is combined with the object oriented programming language (OOP). This book did a through analysis on the topic under discussion. Using a very clear terms and definitions where appropriate and necessary.