Welcome to Whizlabs’ PMI-ACP® Certification Self Study Training. In this chapter we are covering the third module of PMI-ACP® E-book which deals with User stories, guidelines and case studies. Our Self Study Training comprises of downloadable eBook, practice tests, module end tests, Tips & Tricks and study notes. To know more please visit http://www.whizlabs.com/pmi-agile-certification-professional/acp-self-study-training.html