Doing agile by book is ok for the beginning. However, it's not enough. You should continue to learn by gaining new knowledge during the project. User stories and the way you're working with them are the bricks which form the foundation the better experience.
User Stories could be Your best partner and support in project, yet them could become your worst nightmare. Where and how User Stories help? When and how User Stories could become a large burden?
Next time we will dig into user story deeper. How it differs from requirements, use cases or test cases? From what parts it consists and why?